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1. Patagonia Speed Ascent Pants

You don’t have to be cold, actually. The water-resistant, stretchy, and fleece-lined Speed Ascents have articulated knees and zip cuffs big enough to fit over an ice boot. The suspenders are removable. $325;

2. Marmot Ellsworth Jacket
This nylon-shell synthetic-fill jacket is super-durable—after 60 days of wear, it still looked new. A large, stretchy internal stuff pocket holds your climbing gloves while you’re belaying. $190;

3. Petzl Nomic Axes
With removable head weights, this leashless tool can handle both ice and mixed routes. The ergonomic, insulated handle has an adjustable pommel—tune it to your hand size—and the low-profile pick is tapered to 3mm for maximum ice sink. $299 each;

4. Outdoor Research Alpine Alibi Glove

Supple leather palms give these dexterous, waterproof-breathable gloves a Spider-Man-like grip—without gluing you to the ax shaft. Plastic patches on four knuckles protect them from wear and tear. Bonus: There are two internal heat-pack pockets. $169;

5. Kayland 6001 Boot

The integrated gaiter bumps up weatherproofing and warmth on these breathable (eVent), PrimaLoft-insulated, fully rigid boots. Automatic-crampon compatible. $550;

6. Black Diamond Cyborg Crampon
Now in rust-free stainless steel, Black Diamond’s bestselling crampon is lighter, with built-in anti-balling plates and a low-profile, micro-adjust heel lever to fine-tune fit. $200;

7. Wild Country 360° Helmet
One size, with a quick-dial, glove-friendly adjuster. $55;

8. Mammut Hermes Harness
Edge tape disperses the load across the whole surface of the belt, so this four-season harness never gets uncomfortable, even on long routes. $80;

Winter Running

Trail

1. ASICS Plaid Beanie

Warm, fleece-lined acrylic with a touch of style. $22;

2. Nike Distance Microfiber Half-Zip Jacket

Reflective touches, a big rear heat vent, and supple, swish-free polyester fabric make this lightweight windshell an easy go-to. $60;

3. Princeton Tec Fuel
All the light we needed (43 lumens) for night road running at half the price of fancier models. $27;

4. Adidas Supernova Brushed Tights
Thinner stretch panels in key spots allow for fluid movement, and the fleece-backed fabric is softer and warmer than standard leggings. $70;

5. The North Face Trajectory Hybrid Jacket

The closest a storm shell has come to working for sweaty runners: The most exposed panels are waterproof; the rest is cut from a stretchy, breathable material that dumps heat quickly. $179;

6. 180s Men’s Convertible Running Glove-Mitt
These lightweight gloves turn into water-resistant mitts for colder days—and a silver touch pad on the fingertip lets you adjust your iPod (most of the time) without de-gloving. $25;

7. New Balance Wind Brief 2.0
The good: blocks frost-nipping winds. The bad: could have a more supportive fit. $30;

8. Nathan Thermal QuickDraw

The flip-top nozzle resists icing, and a neoprene sleeve keeps your water from getting brain-seizingly frigid. A bit of reflective trim ups your visibility. Tip: On subfreezing days, start with warm water. $28;

Nordic Skiing

Trail

SKATE:

(1) The Salomon Equipe 10 Lab Skate Ski ($550; ) is the most confidence-inspiring ski we tested this year. Credit a unique camber that keeps the Equipe 10 from punching through soft snow or skittering on hardpack. Match ’em up with (2) Salomon’s mostly carbon S-Lab Skate Pro Boot ($500), which ramps up control and energy transfer, and (3) Exel’s World Cup Poles ($259; ). They’re pricey, but like a nice pair of light and stiff road wheels, they’ll boost speed and cut fatigue.

CLASSIC:

Getting your kick wax right is not easy. The (4) Madshus Nanosonic Carbon Classic Zero CIG Ski ($675; ), which features a new take on the “hairy” (not fish-scaled) grip zone, nearly makes wax obsolete: It performs well in virtually all conditions. Pair it with (5) Madshus’s Nano CLC Boot ($400). It’s the lightest classic boot on the market and, thanks to a soft-shell upper, also one of the most comfortable. And since you’re going lightweight, opt for Madshus’s 11-ounce Carbon Race 100 UHM Poles ($325; not pictured).

ACCESSORIES:

Windproof and breathable up front but as flexible as cycling tights, (6) Craft’s Performance Storm Tights ($120; ) are warm enough for midwinter workouts. Able to shed light snow and rain, the (7) Swix Carbonate Jacket ($170; ) features elasticized back panels for full range of motion. Keeping your hands warm after you’ve worked up a sweat is a real trick. The answer: (8) Toko’s Thermo Windstopper Gore Glove ($69; ), which is made from windproof soft-shell fabric. You can wear (9) Buff’s warm and versatile merino-wool Buff ($26; ) as a neck warmer, hat, or headband.

Winter Camping

Trail

1. MSR Dragontail

At half the weight of many four-season shelters (4.4 pounds), this smartly vented single-wall tunnel tent still offers a sprawling 30 square feet (plus a roomy vestibule) for two guys. $480;

2. Big Agnes Recycled Insulated Air Core

Light (1.7 pounds), comfortable (2.5 inches thick), and loaded with recycled insulation—we slept soundly below 20 degrees without a second mat. $89;

3. Lowa Silberhorn GTX
Lined with PrimaLoft and Gore-Tex, these toasty boots weigh in at a respectable 5.1 pounds. $440;

4. Marmot Eiger 48

Just enough room (3,000 cubic inches) for a couple of winter nights, yet it weighs only 3.5 pounds. $149;

5. Patagonia Fitz Roy Down Hoody

Warm into the single digits, highly compressible, and extremely light (1.4 pounds)—a very impressive jacket. $350;

6. MSR Reactor

An internal regulator pulls a roaring flame out of frosty isobutane/propane canisters, even well below freezing. Best winter stove we’ve seen. 1.1 pounds, $160;

7. SMC Capra HERA Edition
When the snow got steep, this ax was the lightest (1 pound, 60 cm) we felt we could rely on. Plus $10 from each sale goes to the HERA Women’s Cancer Foundation. $86;

8. The North Face Hightail
Cozy to 15 degrees, this half-zip bag weighs only 1.9 pounds. $389;

9. Petzl Myo Rxp
The brightest lightweight lamp we’ve found. $100;

Women’s Winter Workout

Womens

1. Pearl Izumi P.R.O. Softshell Jacket

We used this lightly insulated, wind-resistant shell for everything from high-intensity winter cycling to nordic skiing. $175;

2. Eddie Bauer First Ascent Bat Hang Hoodie
A piece we kept coming back to—it’s soft, moisture-wicking, and quick-drying and has a hood for extra warmth. $99;

3. CW-X Insulator Cold Weather Bra
Breathable fabric made sweaty workout chills a thing of the past. Fleece-lined and supportive enough for C cups. $45;

4. Athleta Polartec Power Stretch Glove
Winter running, spring skiing, walking the dog: You name it, and this polyester-and-nylon glove excelled at it. $32;

5. Adidas Women’s Supernova Brushed Tight
Our favorites thanks to warm, mostly nylon fabric and a fit that is both flattering and comfy. $70;

6. GoMotion Sport Runner LiteBelt
Consistent light. Stash pockets. Reflective trim. This LED running belt is our new BFF. $80;

7. Ryders Eyewear Endorphin Sunglasses
With versatile amber lenses, anti-slip nose pads, and a sleek design, the Endorphin is everything but expensive. $40;

8. Navitas Naturals Cacao Power Powder
This organic chocolaty powder has no added sugar and is loaded with antioxidants like magnesium and iron. We liked it best in post-workout smoothies. $10 for 8 oz;

9. Polar RS300X
This watch and heart-rate monitor kept motivation high even when the temp was low. It tracks speed, distance, calorie burn, and more. $250;