# Mittens and Gloves for Extreme Cold (2026): Liners, Temperature Ranges and Frostbite Times > Mittens vs gloves for deep cold, how a liner system works, the makers' temperature ranges, and what the NWS wind chill chart says about frostbite on exposed skin. - Source: https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold - Publisher: WildProofLab (https://wildprooflab.com) - Published: 2026-09-29 - Category: cold-weather - Tags: mittens, winter gloves, glove liners, extreme cold, frostbite, wind chill, Black Diamond, ski gloves - Method: picks chosen from Amazon listings and brand specs; not hands-on tested; current Amazon prices are on the page; content checked 2026-09-29. - Quick answer: For deep cold, buy Black Diamond Mercury Mitts: a waterproof shell over a removable liner mitt with 170 g PrimaLoft Gold, and Black Diamond rates the current version for -15 to 0°F. Wear a thin Black Diamond Midweight ScreenTap liner inside so your fingers are never bare when the mitts come off. ## Key takeaways - REI says mittens are warmer than gloves of the same materials because the fingers share warmth; trade dexterity for heat below about 0°F. - A thin liner inside a mitten means you never touch metal or snow bare-handed when you need your fingers. - Frostbite needs air below freezing: the NWS chart shades wind chills where exposed skin can freeze in 30, 10 and 5 minutes. ## Products (chosen from listings, not tested) 1. **Black Diamond Mercury Mitts, Men's** (details: https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B0DKRPP5GG) — Buy it if your hands get cold in anything else and the forecast is near 0°F. - Pros: Removable liner mitt with 170 g PrimaLoft Gold and high-loft fleece, per the listing; BD.dry waterproof insert; goat leather palm with Kevlar stitching; Gauntlet cuff with drawcord, wrist strap and removable leash - Cons: A mitten: you take it off for zips, buckles and phones 2. **Black Diamond Midweight ScreenTap Liner Gloves** (details: https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B0DMLHFP22) — Buy it to wear inside any mitten so your fingers are never bare. - Pros: 265 g stretch fleece with conductive U|R Powered palm and fingers for touchscreens, per Black Diamond; 47 g per pair; 93% recycled polyester, 7% elastane; Warm enough alone for cold runs and uphill skiing - Cons: Fleece alone does not stop wind; wear it under a shell mitt or glove below freezing 3. **Burton Men's GORE-TEX Insulated Mittens** (details: https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B09M2XM4PC) — Buy it for ski and ride days where a pocket for a hand warmer helps. - Pros: GORE-TEX Plus Warm insert and ThermacoreECO insulation, per the listing; Two-in-one: removable liner, heater/vent pocket, wrist leash; Touchscreen-capable Screen Grab fabric; Burton lifetime warranty on outerwear - Cons: Burton gives no temperature range or insulation weight 4. **Black Diamond Guide Gloves, Men's** (details: https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B0DKRMTBYQ) — Buy it if you handle ropes, poles or tools in the cold and a mitten is too clumsy. - Pros: 170 g PrimaLoft Gold on the back of the hand, 133 g PrimaLoft Gold Eco in the palm, per the listing; GORE-TEX insert; removable wool-blend liner; goat leather palm and fingers; Black Diamond gives the same -15 to 0°F range as the Mercury Mitts - Cons: Fingers apart are colder than fingers together at the same insulation 5. **Carhartt Men's Waterproof Insulated Knit Cuff Mitten** (details: https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B00DVJQM0O) — Buy it for snow shoveling, yard work and dog walks where a ski mitt is overkill. - Pros: Waterproof insert, synthetic insulation and FastDry lining, per the listing; Published size chart by hand circumference and length, Small to XX-Large; Fleece cuff, adjustable wrist strap and nose wipe - Cons: Knit cuff instead of a gauntlet, so snow can get in at the wrist in deep powder 6. **Black Diamond Mercury Mitts, Women's** (details: https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B0DKVPP3P9) — Buy it for women's hand sizes in the warmest Black Diamond mitt. - Pros: Same 170 g PrimaLoft Gold liner mitt, BD.dry insert and leather palm as the men's, per the listing; Gauntlet cuff with drawcord and removable leash - Cons: Bulky for fine tasks; like any mitt, plan to wear a liner Cold hands come from two problems: not enough insulation around the fingers, and fingers spread apart so each one loses heat on its own. A mitten fixes the second; a thicker glove only fixes the first. Below about 0°F, or on long still days at any temperature below freezing, most people are warmer in a mitten with a thin liner than in any glove. **How we chose:** we did not test these; we compared insulation, waterproof inserts and temperature ranges from the makers' pages and listings, and kept only products sold by the maker's own store or Amazon.com and in stock on September 29, 2026. ## Six mittens, gloves and liners side by side | Product | Type | Insulation (per maker or listing) | Waterproof insert | Sold by | Amazon price | |---|---|---|---|---|---| | [BD Mercury Mitts, men's](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B0DKRPP5GG) | Mitten + liner mitt | 170 g PrimaLoft Gold | BD.dry | Black Diamond | see the current Amazon price on the page | | [BD Midweight ScreenTap](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B0DMLHFP22) | Liner glove | 265 g stretch fleece | None | Black Diamond | see the current Amazon price on the page | | [Burton GORE-TEX Mittens](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B09M2XM4PC) | Mitten + liner | ThermacoreECO | GORE-TEX | Burton | see the current Amazon price on the page | | [BD Guide Gloves](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B0DKRMTBYQ) | Glove + liner | 170 g / 133 g PrimaLoft Gold | GORE-TEX | Black Diamond | see the current Amazon price on the page | | [Carhartt Insulated Mitten](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B00DVJQM0O) | Mitten | Synthetic | Waterproof insert | Amazon.com | see the current Amazon price on the page | | [BD Mercury Mitts, women's](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B0DKVPP3P9) | Mitten + liner mitt | 170 g PrimaLoft Gold | BD.dry | Black Diamond | see the current Amazon price on the page | Black Diamond lists a temperature range of -15 to 0°F for the current [Mercury Mitts](https://blackdiamondequipment.com/products/mercury-mitts) and [Guide Gloves](https://blackdiamondequipment.com/products/guide-gloves). Burton and Carhartt do not publish one. ## Why mittens beat gloves in deep cold REI's [guide to snow gloves and mittens](https://www.rei.com/learn/expert-advice/snow-gloves-and-mittens--how-to-choose.html) puts it simply: mittens are warmer than gloves made with the same materials because your fingers can share warmth. Four fingers in one pocket also have less surface area losing heat than four fingers in four sleeves. The cost is dexterity. You cannot work a zipper pull, a buckle or a phone in a big mitt. REI's answer for people who need both is a split-finger "lobster" design; ours is a mitten with a thin liner glove underneath. Gloves still have a place. The [Black Diamond Guide Gloves](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B0DKRMTBYQ) put more insulation on the back of the hand (170 g) than in the palm (133 g) so you can still grip. If you handle ropes, ski poles or tools all day, that grip is worth some warmth. ## The liner system The warmest setups are layered like your body: a thin liner glove next to the skin, an insulated mitt or glove, and a shell that stops wind and snow. The Mercury Mitts, Guide Gloves and Burton mittens all build this in with a removable insulated liner. A separate thin liner glove adds one more trick. When you pull your hand out of the mitt to adjust a binding or open a zip, your skin never touches cold metal or snow. Black Diamond's [Midweight ScreenTap](https://blackdiamondequipment.com/products/midweight-screentap-liners) is 265 g stretch fleece at 47 g a pair, with a conductive palm so you can use a phone without taking it off. Removable liners also dry faster. Pull them out at night and dry them inside your jacket or sleeping bag; a damp liner is a cold liner the next morning. **Pro tip:** size mittens with the liner glove on. A mitt that squeezes the fingers compresses its own insulation and cuts off circulation, which is exactly what you are trying to prevent. ## Wind chill and how fast skin freezes The [National Weather Service wind chill chart](https://www.weather.gov/safety/cold-wind-chill-chart) shades its wind chill values by how quickly exposed skin can freeze: 30 minutes, 10 minutes and 5 minutes. Some readings from the chart: - 0°F air in a 15 mph wind feels like -19°F. The NWS says exposed skin can freeze in 30 minutes at that wind chill. - -15°F in a 20 mph wind is -42°F, in the 10-minute band. - At -40°F and 30 mph the wind chill reaches -80°F, deep in the 5-minute band. The NWS also says frostbite needs air that is actually below freezing. At 35°F in a gale you will not get frostbite, though you can still get hypothermia. Mittens are for the times you are exposed to those numbers for hours: a ski lift, a winter summit, a long ice-fishing sit. For a 20-minute dog walk at 20°F, a good insulated glove is fine. ## Which to buy - **Deep cold, long exposure**: [Black Diamond Mercury Mitts](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B0DKRPP5GG) ([women's](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B0DKVPP3P9)) plus a [Midweight ScreenTap](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B0DMLHFP22) liner. - **Resort days**: [Burton GORE-TEX Mittens](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B09M2XM4PC). The heater/vent pocket takes a disposable warmer on the coldest chairlift rides. - **Cold work with your fingers**: [Black Diamond Guide Gloves](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B0DKRMTBYQ). - **Chores and shoveling**: [Carhartt Insulated Mitten](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B00DVJQM0O). Size it from Carhartt's hand-circumference chart on the listing. Hand warmers add heat but do not replace insulation. If you use them, put them in a mitt with room for air; our [hand warmer guide](https://wildprooflab.com/cold-weather/hand-warmers-disposable-vs-rechargeable) compares disposable and rechargeable ones. ## Frostbite: signs and what to do The [CDC's frostbite page](https://www.cdc.gov/winter-weather/prevention/preventing-frostbite.html) lists numbness, a white or grayish-yellow skin area, and skin that feels unusually firm or waxy as warning signs. Fingers, toes, nose, ears, cheeks and chin are the usual places. The CDC says to get into a warm room, use warm (not hot) water, and not to rub the area with snow or massage it. It also warns against warming numb skin with a heating pad, heat lamp, stove or fireplace, because it burns easily. Anyone with signs of frostbite should see a health care provider; this page is not medical advice. Related: [merino vs synthetic base layers](https://wildprooflab.com/cold-weather/merino-vs-synthetic-base-layers) and [down vs synthetic insulated jackets](https://wildprooflab.com/cold-weather/insulated-jackets-down-vs-synthetic). ## Frequently Asked Questions ### What size mitten should I buy? Measure around the palm and from wrist crease to fingertip, then use the maker's chart. [Carhartt's listing](https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold#product-B00DVJQM0O) gives both, from Small (7.5-8 in around) to XX-Large (11-12 in), and size up if you will wear a liner. ### Are Black Diamond's temperature ranges tested like sleeping bags? No. Glove and mitten ranges are the maker's own guidance; there is no standard lab test for them the way ISO 23537 covers [sleeping bags](https://wildprooflab.com/cold-weather/sleeping-bag-temperature-ratings). Treat -15 to 0°F as Black Diamond's intended use, not a guarantee. ### How do I dry mittens overnight on a winter trip? Pull the liners out and keep them inside your jacket or sleeping bag, and leave the shells open. Wet insulation next to your body dries faster than anything left in a cold tent. --- *WildProofLab is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Insulation specs and temperature ranges are the makers' own.* ## Sources - blackdiamondequipment.com: [Mercury Mitts](https://blackdiamondequipment.com/products/mercury-mitts) - blackdiamondequipment.com: [Guide Gloves](https://blackdiamondequipment.com/products/guide-gloves) - rei.com: [Snow gloves and mittens how to choose](https://www.rei.com/learn/expert-advice/snow-gloves-and-mittens--how-to-choose.html) - blackdiamondequipment.com: [Midweight ScreenTap](https://blackdiamondequipment.com/products/midweight-screentap-liners) - National Weather Service: [National Weather Service wind chill chart](https://www.weather.gov/safety/cold-wind-chill-chart) - Centers for Disease Control and Prevention: [CDC's frostbite page](https://www.cdc.gov/winter-weather/prevention/preventing-frostbite.html) --- Last updated: 2026-09-29 Canonical URL: https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold How to cite: "Mittens and Gloves for Extreme Cold (2026): Liners, Temperature Ranges and Frostbite Times", WildProofLab, https://wildprooflab.com/cold-weather/mittens-and-gloves-for-extreme-cold (checked 2026-09-29). Disclosure: as an Amazon Associate WildProofLab earns from qualifying purchases. Safety information summarizes public guidance and is not medical advice.