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# Best Contoured Sleep Masks: LitBear Leads the Set
- URL: https://aiimne.org/best-contoured-sleep-mask-cold-sleepers/
- Published: 2026-09-07T07:20:13.000Z
- Updated: 2026-09-07T09:49:15.000Z
- Description: A contoured mask lives or dies on cup depth and nose-bridge height, not on how soft the fabric feels. Here's how six listings compare on the figures that decide fit, plus an honest note on what none of them promise about warmth.
- Author: Harley Griffiths
- Tags: Sleep & Snoring, Sleep, Bedding

The best contoured sleep mask for cold sleepers is the LitBear Sleep Mask for Side Sleeper Women Men, because it publishes the two figures that decide fit: 12 mm eye cups and a 22 mm nose bridge, on a strap that adjusts from 20.5 to 26.5 inches. If you want the deepest cups in this group, the MZOO Luxury Sleep Mask claims 13 mm instead. The deciding specification here is cup depth, and it splits this field of six into two clear halves.

In this guide
1. [Best contoured sleep mask for cold sleepers at a glance](#best-contoured-sleep-mask-for-cold-sleepers-at-a-glance)
2. [How I screened these six listings](#how-i-screened-these-six-listings)
3. [What actually decides a contoured mask? Cup depth](#what-actually-decides-a-contoured-mask-cup-depth)
4. [1\. LitBear Sleep Mask for Side Sleeper Women Men — Best overall](#1-litbear-sleep-mask-for-side-sleeper-women-men-%E2%80%94-best-overall)
5. [2\. MZOO Luxury Sleep Mask for Women Men — Best for heavy use](#2-mzoo-luxury-sleep-mask-for-women-men-%E2%80%94-best-for-heavy-use)
6. [3\. MyHalos® Sleep Mask for Men and Women — Best for families](#3-myhalos%C2%AE-sleep-mask-for-men-and-women-%E2%80%94-best-for-families)
7. [4\. Nox Sleep 3D Sleep Mask for Men — Best premium](#4-nox-sleep-3d-sleep-mask-for-men-%E2%80%94-best-premium)
8. [5\. NEWGO 3D Cooling Eye Mask — Best budget pick](#5-newgo-3d-cooling-eye-mask-%E2%80%94-best-budget-pick)
9. [6\. coldchill 3D Cooling Gel Eye Mask — Best compact](#6-coldchill-3d-cooling-gel-eye-mask-%E2%80%94-best-compact)
10. [Do any of these masks keep a cold sleeper warm?](#do-any-of-these-masks-keep-a-cold-sleeper-warm)
11. [Strap style: buckle, hook-and-loop or plain elastic?](#strap-style-buckle-hook-and-loop-or-plain-elastic)
12. [When a different pick wins](#when-a-different-pick-wins)
13. [The verdict](#the-verdict)
14. [FAQ](#faq)

## Best contoured sleep mask for cold sleepers at a glance

| Pick                                                                                                       | Eye cup depth               | Nose bridge          | Price                                                             |
| ---------------------------------------------------------------------------------------------------------- | --------------------------- | -------------------- | ----------------------------------------------------------------- |
| **Best overall**[LitBear Sleep Mask for Side Sleeper](https://www.amazon.com/dp/B09H7FZ5JM?tag=aiimne-20)  | 12 mm claim                 | 22 mm claim          | [Check Price](https://www.amazon.com/dp/B09H7FZ5JM?tag=aiimne-20) |
| **Best for heavy use**[MZOO Luxury Sleep Mask](https://www.amazon.com/dp/B07KC5DWCC?tag=aiimne-20)         | 13 mm claim                 | 22 mm claim          | [Check Price](https://www.amazon.com/dp/B07KC5DWCC?tag=aiimne-20) |
| **Best for families**[MyHalos® 3D Blackout Sleep Mask](https://www.amazon.com/dp/B09CZ68WV3?tag=aiimne-20) | 16 mm claim                 | Contoured, no figure | [Check Price](https://www.amazon.com/dp/B09CZ68WV3?tag=aiimne-20) |
| **Best premium**[Nox Sleep 3D Sleep Mask](https://www.amazon.com/dp/B0FBM6BPJ4?tag=aiimne-20)              | 3D contour, no figure       | Ice silk, thin       | [Check Price](https://www.amazon.com/dp/B0FBM6BPJ4?tag=aiimne-20) |
| **Best budget pick**[NEWGO 3D Cooling Eye Mask](https://www.amazon.com/dp/B0D8W8QR1F?tag=aiimne-20)        | 3D gel contour, no figure   | Contoured, no figure | [Check Price](https://www.amazon.com/dp/B0D8W8QR1F?tag=aiimne-20) |
| **Best compact**[coldchill 3D Cooling Gel Eye Mask](https://www.amazon.com/dp/B0GV3T7Z21?tag=aiimne-20)    | Memory foam cups, no figure | Contoured, no figure | [Check Price](https://www.amazon.com/dp/B0GV3T7Z21?tag=aiimne-20) |

## How I screened these six listings

I started with the published numbers and worked backwards. Every mask here sits in either Sleeping Masks or Eyes > Masks, and every one calls itself contoured or 3D. That is the shared entry ticket. What separated them was how much of the fit story each listing was willing to put in writing.

Three of the six publish a cup depth in millimetres. Three do not. That gap matters more than any adjective about softness, because a contoured mask that does not clear your lashes is just a flat mask with extra bulk.

Here is the order I applied:

1. **Published cup depth.** A figure in millimetres beats "deep contoured" every time.
2. **Nose bridge treatment.** Light leaks at the nose before it leaks anywhere else.
3. **Strap range.** A stated inch range tells you whether the mask fits your head.
4. **Overall thickness.** Side sleepers feel every extra millimetre of profile against the pillow.
5. **What buyers actually choose.** Two of these sell far faster than the rest of the set.

What got cut, in effect, was any listing that described its fit purely in adjectives. Two picks here still made the list on that basis, but only because they bring something else: gel-bead cold therapy in one case, ice silk fabric in the other. Neither wins on fit data, and I say so in their sections.

One more note on screening. This set is unusually consistent on profile. Four of the six sit between 0.74 and 0.79 inches thick, which is a narrow band, so thickness alone was not going to separate them.

## What actually decides a contoured mask? Cup depth

Most guides to the best contoured sleep mask for cold sleepers compare fabric. Cooling fabric, ice silk, ultra-soft microfibre, and so on. Fabric decides how the first two minutes feel. Cup depth decides whether you can still stand the mask at 3 a.m.

Cup depth is the distance from the mask's inner shell to your eyelid. Too shallow and the foam rests on your lashes, which is the single most common reason people give up on eye masks. Deep enough and your eyes move freely underneath, including during REM, which is when your eyes move most.

The published figures in this set:

- MyHalos: 16 mm deep cups
- MZOO: 13 mm arc-shaped widened cups
- LitBear: 12 mm 3D contoured cup sockets
- Nox Sleep, NEWGO and coldchill: contoured, no depth stated

That is a 4 mm spread between the deepest and shallowest stated figures, which sounds trivial and is not. Four millimetres is roughly the difference between lashes touching foam and lashes touching nothing.

The second number to check is the nose bridge. LitBear and MZOO both state 22 mm of nose padding or bridge height. That is the seam where light sneaks up onto your cheekbones and into the corner of your eye. A tall, adaptive bridge closes it. A flat elastic band across the nose does not, no matter how dark the fabric is.

Third comes the side profile. LitBear cites a 15° tilt angle and claims 90% less temple pressure. MZOO cites 15° curved thin sides. MyHalos cites a 16° tilt and claims up to 91% reduced temple pressure. Those are manufacturer numbers, not measurements, and they are all within a degree of each other. Treat them as a signal that all three designers were solving the same problem, not as a ranking.

## 1\. LitBear Sleep Mask for Side Sleeper Women Men — Best overall

**The only mask here that publishes cup depth, bridge height, strap range and a warranty term, which is why it takes the top spot.**

[![Black contoured LitBear sleep mask showing raised nose bridge and deep eye cups — the published 22 mm bridge is what seals out cheekbone light](https://m.media-amazon.com/images/I/51wD2fIhMpL._SL500_.jpg)](https://www.amazon.com/dp/B09H7FZ5JM?tag=aiimne-20)

**Best for:** side sleepers who want deep cups and a measured strap range **Skip it if:** you want a mask you can chill in the fridge

What sets the LitBear apart in this group is how little you have to guess. The listing states 12 mm 3D contoured cup sockets, a 22 mm adaptive hollow nose bridge, a 15° tilt on the sides, and an elastic buckle strap adjustable from 20.5 to 26.5 inches. That last figure is the one nobody else here matches. A six-inch adjustment range covers most adult head sizes, and a buckle holds a setting rather than stretching out of one.

It is also the only pick in this set with a stated warranty term, at 12 months. In a category where the fabric and foam do the wearing, a written term is worth having.

The mask weighs 15 g and measures 0.98 x 10.4 x 4.21 inches. That thickness figure is the highest of the six, so the LitBear is not the flattest thing you can put on a pillow. LitBear describes a cooling fabric lining over six layers of low-rebound memory foam, which is the mask's own claim rather than a tested property.

The trade-off against the rest of the set is straightforward. You give up the two cold-therapy options, and you give up MZOO's extra millimetre of cup depth, in exchange for the most complete published fit data and a warranty nobody else states.

**Pros:**

- Publishes 12 mm cup depth and 22 mm nose bridge
- Widest stated strap range at 20.5 to 26.5 inches
- Only pick here with a stated 12-month warranty
- Buckle strap holds its adjustment setting
- Light at 15 g

**Cons:**

- Thickest profile in the set at 0.98 in
- 12 mm cups are the shallowest of the three stated figures
- No gel insert, so no cold or warm therapy option
- Only one seller lists it

[Check Price on Amazon](https://www.amazon.com/dp/B09H7FZ5JM?tag=aiimne-20)

## 2\. MZOO Luxury Sleep Mask for Women Men — Best for heavy use

**The deepest stated eye cups in this comparison, and the mask buyers in this set choose most often.**

[![MZOO contoured sleep mask in black with patented nose bridge cutout — the 13 mm arc cups are the deepest figure published in this set](https://m.media-amazon.com/images/I/31HYH+KlZfL._SL500_.jpg)](https://www.amazon.com/dp/B07KC5DWCC?tag=aiimne-20)

**Best for:** nightly wearers who want the deepest published cups **Skip it if:** you need a stated warranty

MZOO states 13 mm arc-shaped widened eye cups, which is the deepest verified-in-writing figure among the three masks that give one. Pair that with 22 mm of nose padding and a patented nose bridge cutout, and you have the same two-part sealing strategy the LitBear uses, executed a millimetre deeper at the eye.

This is also the one buyers choose most often here, by a clear margin over the other five. In a category where fit is personal and returns are common, that pattern is worth weighing.

The body measures 0.78 x 10 x 3.9 inches, which makes it the second-slimmest in the set and noticeably flatter than the LitBear. For a side sleeper, that difference is felt through the pillow rather than seen. MZOO describes air-hole memory foam and a fade-resistant fabric, both of which are the brand's claims.

Where it falls short of the winner is the paperwork. There is no published weight, no strap range, and no warranty term. You know exactly how deep the cups are and almost nothing about how the strap behaves over a year of nightly use. Two sellers list it, which is one more than most of this group.

**Pros:**

- Deepest stated cup depth here at 13 mm
- 22 mm nose padding plus a patented bridge cutout
- Second-slimmest profile at 0.78 in
- The mask buyers pick most often in this set
- Listed by more than one seller

**Cons:**

- No stated warranty term
- No published strap adjustment range
- No published weight
- Cooling and breathability are claims, not stated materials

[Check Price on Amazon](https://www.amazon.com/dp/B07KC5DWCC?tag=aiimne-20)

## 3\. MyHalos® Sleep Mask for Men and Women — Best for families

**Deepest cups of all six on paper, at the second-cheapest position in the set.**

[![MyHalos 3D blackout sleep mask with travel pouch — 16 mm cups are the deepest claim of the six masks compared](https://m.media-amazon.com/images/I/41tFrrvUeoL._SL500_.jpg)](https://www.amazon.com/dp/B09CZ68WV3?tag=aiimne-20)

**Best for:** buying two or three masks for one household **Skip it if:** you want the slimmest possible profile

MyHalos claims 16 mm deep eye cups, which is the largest depth figure anywhere in this comparison, and it does it from the second-cheapest position of the six. That combination is why it earns the family pick. If you're buying for two adults, or an adult and a teenager, this is where the cost of a second mask stings least.

The listing also cites a 16° tilt angle and a claimed reduction in temple pressure of up to 91%. Both are marketing figures. The dimensions are firmer ground: 0.74 x 10.8 x 5.18 inches, which makes it the thinnest of the six and also the tallest at 5.18 inches. That extra height means more coverage across the brow and cheek, and more mask to tuck under a hood or a hat.

MyHalos says the mask is fully washable and ships with a protective travel pouch. Washability matters more than it sounds for a mask worn against skin every night.

Against the top two, the gap is in the nose. MyHalos describes a contoured design but publishes no bridge height, and the bridge is where light gets in. There's no strap range and no warranty term either.

**Pros:**

- Deepest cup claim in the set at 16 mm
- Second-cheapest of the six
- Thinnest profile here at 0.74 in
- Described as fully washable
- Travel pouch included

**Cons:**

- No published nose bridge height
- Tallest footprint at 5.18 in, which some faces will find broad
- No stated strap adjustment range
- No warranty term published

[Check Price on Amazon](https://www.amazon.com/dp/B09CZ68WV3?tag=aiimne-20)

## 4\. Nox Sleep 3D Sleep Mask for Men — Best premium

**The only mask here built around temperature-regulating ice silk instead of a fabric-over-foam face.**

[![Nox Sleep 3D mask in black ice silk with thin nose bridge — the silk face is what separates it from the foam-fronted picks](https://m.media-amazon.com/images/I/41BuuFdzbyL._SL500_.jpg)](https://www.amazon.com/dp/B0FBM6BPJ4?tag=aiimne-20)

**Best for:** hot sleepers who dislike foam-backed fabric **Skip it if:** you want published cup depth before you buy

Nox Sleep takes a different route to comfort. Rather than a plush lining, it uses ice silk, which the brand describes as temperature-regulating and says feels cool in summer and cozy in winter. That is a manufacturer claim about fabric behaviour, not a measured property, and it is the closest anything in this set comes to addressing seasonal warmth directly.

The physical figures are modest and clean: 1.2 oz, 0.79 x 9.45 x 3.94 inches. That is the smallest footprint of the six, at under 10 inches wide and under 4 inches tall. It's a 2025 release, so it's among the newest designs here.

Nox describes a thin ice silk nose bridge, 3D contours that allow free eye movement during REM, and memory foam that adapts to any sleeping position. It also bundles something none of the others offer: a written sleep protocol with the mask.

This is the most expensive pick here, and it is the one that publishes the least about fit. No cup depth, no bridge height, no strap range, no warranty. You're paying the top price in this set for a fabric story and a compact body, and buying the fit on faith. That's a defensible trade if you already know foam masks make your face sweat.

**Pros:**

- Ice silk face, the only temperature-regulating fabric claim here
- Smallest footprint at 9.45 x 3.94 in
- Light at 1.2 oz
- 2025 design
- Includes a written sleep protocol

**Cons:**

- Most expensive pick here with the least published fit data
- No stated cup depth or nose bridge height
- No warranty term
- Only one seller lists it

[Check Price on Amazon](https://www.amazon.com/dp/B0FBM6BPJ4?tag=aiimne-20)

## 5\. NEWGO 3D Cooling Eye Mask — Best budget pick

**The cheapest of the six, and one of only two here with a gel fill you can chill.**

[![NEWGO 3D cooling gel eye mask in black — the refrigerate-or-freeze gel fill is what separates it from the foam masks here](https://m.media-amazon.com/images/I/41sdd6ndKZL._SL500_.jpg)](https://www.amazon.com/dp/B0D8W8QR1F?tag=aiimne-20)

**Best for:** puffy morning eyes and sinus pressure **Skip it if:** you sleep in a cold bedroom

The NEWGO is the cheapest pick in this group and it's solving a different problem than the four foam masks. It's filled with cooling gel that NEWGO says can be refrigerated or frozen, and the brand positions it for puffiness, eye strain and tension around the eyes. It's a weighted mask rather than a featherweight one.

The 3D shape means it contours around the eyes rather than pressing flat on them, and NEWGO says it blocks light effectively for sleep, meditation or napping. Note the wording: effectively, not completely. Three other masks in this set claim 100% blackout outright.

Now the honest part. This listing publishes almost nothing measurable. No weight, no dimensions, no cup depth, no strap detail, no warranty. It's also the slowest-selling of the six by a wide margin. And its whole reason for existing, a cold compress against your face, points the opposite direction from what a cold sleeper wants at bedtime.

Where it earns its place is as a second mask. Chill it, wear it for twenty minutes in the morning when your eyes are swollen, then switch to a foam mask at night. At the cheapest position here, that's an easy addition.

**Pros:**

- Cheapest of the six
- Gel fill can be refrigerated or frozen
- 3D shape avoids pressing on eyelids
- Doubles as a cold compress for sinus pressure

**Cons:**

- No published dimensions, weight or cup depth
- Cold therapy works against a cold sleeper at bedtime
- Claims light blocking is "effective", not total
- The slowest-selling pick in this set

[Check Price on Amazon](https://www.amazon.com/dp/B0D8W8QR1F?tag=aiimne-20)

## 6\. coldchill 3D Cooling Gel Eye Mask — Best compact

**Gel-bead therapy in a 1.2 oz body, with a sealed pouch that keeps fridge smells out of the fabric.**

[![coldchill 3D cooling gel eye mask with travel pouch — the sealed bag is what keeps refrigerator odours out of the mask](https://m.media-amazon.com/images/I/412q9TKeWCL._SL500_.jpg)](https://www.amazon.com/dp/B0GV3T7Z21?tag=aiimne-20)

**Best for:** travel with cold therapy in a sealed pouch **Skip it if:** you want a mask other buyers have already vetted

The coldchill is the other gel option here, and it's the better-documented of the two. It weighs 1.2 oz and measures 0.79 x 9.45 x 3.94 inches, which ties it with the Nox Sleep for the smallest footprint of the six. That's a mask that disappears into a jacket pocket.

Unlike the NEWGO, coldchill combines gel beads with what it describes as deep contoured eye cups in premium memory foam. So you get both structures in one body. The brand says the beads can be chilled in the refrigerator for cold compress use, and it claims complete blackout from the 3D shape. A hook-and-loop strap handles sizing, which adjusts to more positions than a buckle but tends to snag on hair and bedding.

The included sealed PE storage bag is a small, genuinely useful detail. Anything you store in a fridge picks up smells, and this mask ships with a solution to that.

Two things hold it back. It's the second most expensive pick here despite publishing no cup depth or bridge figure, and it's a 2025 release that has barely registered with buyers so far. Almost nobody in this category has chosen it yet, which is a real risk on a fit-critical product.

**Pros:**

- Smallest footprint here, tied at 9.45 x 3.94 in
- Light at 1.2 oz
- Gel beads plus memory foam cups in one mask
- Sealed storage bag prevents fridge odours
- Hook-and-loop strap fits a wide range of head sizes

**Cons:**

- Second most expensive pick with no published cup depth
- Very few buyers have chosen it so far
- Hook-and-loop closures catch on hair
- Cold compress function is the wrong direction for a cold bedroom

[Check Price on Amazon](https://www.amazon.com/dp/B0GV3T7Z21?tag=aiimne-20)

## Do any of these masks keep a cold sleeper warm?

Not one of these six listings promises warmth, and you should know that before you buy. This is the honest answer to the question, and it matters.

Search results for the best contoured sleep mask for cold sleepers surface contoured masks. They do not surface heated ones. The closest anything here comes is the Nox Sleep, which says its ice silk "feels refreshingly cool in summer and cozy in winter". That's a fabric-behaviour claim from the brand, not a heating function.

Two of the six actively point the other way. Both the NEWGO and the coldchill are built for cold therapy, and both suggest refrigerating or freezing the gel. That's exactly what you don't want against your face in an already-cold room.

So how should a cold sleeper judge these? Three things:

- **Foam over silk.** A six-layer memory foam body, like LitBear describes, holds more of your own warmth against the skin than a thin silk panel does.
- **Coverage area.** The MyHalos is 5.18 inches tall, the largest here. More fabric over the brow and cheek means less exposed skin.
- **Gel fill.** Skip it, or buy it as a separate morning mask and keep a foam one for the night.

If your bedroom genuinely runs cold, the mask is the wrong lever. Solve it with bedding and a room heater, then pick your mask on fit alone.

## Strap style: buckle, hook-and-loop or plain elastic?

Strap style is the detail people ignore until month three, when the mask stops staying put. Three approaches show up in this set.

**Buckle-adjusted elastic.** LitBear is the only pick here that names one, and it publishes the range: 20.5 to 26.5 inches. A buckle sets a length and keeps it. It also means the adjustment point sits at the side rather than at the back of your skull, which is where a lump becomes a problem.

**Hook-and-loop.** The coldchill uses a hook-and-loop closure, which it describes as offering a personalised fit for all head sizes. Infinitely adjustable, and it grabs hair. If you have long hair and you turn over a lot, you'll feel it.

**Unspecified elastic.** MZOO, MyHalos, NEWGO and Nox Sleep all describe adjustability or fit without naming a mechanism or a range. That's four of six, so it's the norm in this category rather than a red flag.

One rule regardless of style: a contoured mask should sit snug enough to hold the nose bridge sealed and loose enough that you can't feel it on your temples. If tightening it enough to block light also makes your head ache, the cups are too shallow for your face and no strap will fix that.

## When a different pick wins

The winner is the right default, not the right answer for every case. Here are the flips, each tied to a condition you can check tonight.

- **Long lashes or lash extensions.** Go to the MyHalos and its 16 mm cups, the deepest claim here. If that isn't enough, MZOO's 13 mm is the next-deepest published figure with a stated nose bridge behind it.
- **Foam masks make you sweat.** The Nox Sleep is your pick. Ice silk instead of a plush lining, and the smallest footprint in the set at 9.45 x 3.94 inches.
- **You wake with puffy eyes most mornings.** Buy a gel mask as a second item. The NEWGO is the cheapest way in; the coldchill adds memory foam cups and a sealed pouch.
- **Two people need masks.** The MyHalos sits at the second-cheapest position with the deepest cup claim, which makes doubling up painless.
- **You want recourse if it fails.** LitBear is the only pick with a stated 12-month term. That's the whole list.
- **Suitcase space is the constraint.** The Nox Sleep and coldchill tie at 0.79 x 9.45 x 3.94 inches and 1.2 oz each.

The one flip I'd advise against: choosing a gel mask as your only night mask because it was cheapest. Cold therapy and eight hours of sleep are different jobs.

## The verdict

The LitBear Sleep Mask for Side Sleeper Women Men is the best contoured sleep mask for cold sleepers in this group, and it wins on disclosure as much as on design. It publishes 12 mm cup depth, a 22 mm adaptive nose bridge, a 15° side tilt, a 20.5 to 26.5 inch strap range and a 12-month warranty. No other pick here gives you four of those five. When you're buying a fit-critical product you can't try on, published figures are the only substitute for a fitting room, and the foam-heavy build holds your own warmth better than a thin silk panel does.

Two conditions flip it. If your lashes brush the inside of every mask you've owned, the MyHalos and its 16 mm cup claim is the deeper option, and it costs less. And if foam masks leave your face damp by morning, the Nox Sleep's ice silk is the only fabric here built to move heat away, though you're paying the top price in this set and buying its fit blind.

The runner-up's specific advantage is worth naming precisely. MZOO gives you 13 mm cups plus a 22 mm nose bridge, so it's the only pick that beats the winner on eye clearance without giving up a published bridge height, and it's the mask buyers here choose most often. If you want the deepest well-sealed cups and don't need a warranty, buy that one instead.

## FAQ

### Is a contoured sleep mask worth it over a flat one?

A contoured sleep mask is worth it if a flat one has ever pressed on your eyelids or smudged an eye cream overnight. The cups hold the fabric off your lashes, which is what lets your eyes move freely during REM. Three picks here state cup depths of 12, 13 and 16 mm. A flat mask offers zero.

### Which is the best value contoured sleep mask for cold sleepers here?

The best value contoured sleep mask for cold sleepers in this set is the MyHalos. It sits at the second-cheapest position of the six while claiming the deepest eye cups at 16 mm, and it's the thinnest at 0.74 inches. It publishes no nose bridge height, so light control is less certain than with the LitBear or MZOO.

### How deep should the eye cups be for lash extensions?

Eye cup depth for lash extensions should be as generous as the listing allows, so start at the top of the published range. MyHalos claims 16 mm, MZOO 13 mm and LitBear 12 mm. Extensions add length beyond your natural lash line, so the 16 mm figure gives the most clearance of anything compared here.

### LitBear or MZOO: which contoured sleep mask should I buy?

LitBear or MZOO comes down to warranty against cup depth. LitBear publishes a 12-month term, a 20.5 to 26.5 inch strap range and 12 mm cups. MZOO publishes 13 mm cups, 22 mm nose padding and a slimmer 0.78 inch profile, and more buyers here choose it. Pick MZOO for eye clearance, LitBear for documented fit.

### What mistake do buyers make with cooling gel sleep masks?

The mistake buyers make with cooling gel sleep masks is treating them as all-night masks. Gel is designed for short cold-compress sessions on puffy eyes or sinus pressure, not eight hours of wear, and a chilled mask in a cold bedroom works against you. Use the NEWGO or coldchill for twenty minutes in the morning and a foam mask overnight.

Start with the LitBear if you want one mask that does the whole night, and check the strap range against your own head size before anything else, because a 20.5 to 26.5 inch span is the only measurement here you can verify against yourself with a tape measure. If your lashes are the problem rather than the fit, the MyHalos and its 16 mm cups cost less and go deeper. And keep the gel masks in the category they belong to: a chilled twenty minutes for swollen morning eyes, not a night's sleep in a cold room.

*Last updated: September 27, 2026\. Product availability re-checked.*

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