Merino Wool

Our cutting-edge Intraknit™ Merino 200 Bottoms are here to help you warm up to cold weather. 3D-knit articulation adds an enhanced fit and helps keep you as mobile as ever. Merino Sport Yarn helps provide quicker dry times, odor resistance, and durability, while targeted knit insulation and ventilation help keep you warm and dry. No matter if you're running, skiing, or cold-weather adventuring, these men's base layer pants are up for the challenge.

This minimalist-style crew is anything but insignificant. Our Men's Intraknit™ Merino 200 Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With Merino Sport yarns and gender-specific ventilation perfectly placed to maximize thermoregulation and breathability in high-intensity activities, it helps amplify moisture management, movement, and comfort. When you're in our best base layers, you're ready for anything.

The Merino 150 beanie is a lightweight, year-round essential. Run in it, skate ski in it, put it under a helmet for a chilly morning bike commute. Clean seams for a no-bulk fit. Now more durable than ever with new Merino 150 fabric.

The Merino 150 Glove brings the mid-weight Merino blend fabric to your hands. Essential for keeping the chill at bay. Built so your thumb and index finger can happily operate a touch screen. So they're selfie ready. *These gloves are unisex, please refer to the size chart for sizing information.

For cold and windy days, don't forget to cover the bits of your face left exposed by a hat and gaiter. Made from Merino 250 Next-to-Skin fabric, the Balaclava keeps you dry and warm while still enabling good peripheral vision.

Meet the better-than-ever Men's Merino 250 Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoulder panels eliminate top shoulder seams and a flatlock seam construction helps prevent chafing. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking.

The coldest days call for the smartest gear. The Merino 250 Base Layer Bottom fits the bill with our heaviest weight and warmest fabric, a covered elastic waistband and flatlock seam construction to help keep you comfortable from the first tracks to the last chair.

Before you head out on your yurt trip or go for an afternoon skate-ski, throw on our Men's Merino Sport 250 Bottom and enjoy Merino comfort and performance. Our minimal Merrow seam construction provides superior durability while keeping super-soft material next to skin. Our warmest Merino/poly blend helps move moisture, dries quickly, and holds its shape, no matter how sweaty you get during your expedition. Gender-specific, body-mapped panels of lighter fabric offer additional breathability, while reflective elements help provide additional visibility in low-light conditions.

Zip up and head out this winter with a layer that provides warmth, comfort, and performance—the Men's Merino Sport 250 Long Sleeve 1/4 Zip tee. Our warmest Merino/poly blend will help move moisture away from skin as you heat up, and it will dry quickly and hold its shape no matter how sweaty you get during your workouts. For even more breathability, we've added gender-specific, body-mapped panels of mesh fabrics. Minimal Merrow seam construction provides superior durability while keeping super-soft material against your skin, and thumb loops provide a secure fit.

The weather may be cold outside, but you don't let that keep you from getting out and working hard. And if you're looking for a trustworthy companion on your adventures, throw on a layer that won't let you down—the Men's Merino Sport 250 Long Sleeve Crew. Merino Sport fabric has all the benefits of Merino—breathability, temperature regulation, and odor resistance—with the added quick dry time and durability of polyester. Gender-specific, body-mapped panels of mesh fabric provide even more breathability, while integrated thumbholes provide additional coverage as you head out and take on the winter.

Smartwool's warm Merino/poly blend helps fabric move moisture, dry quickly, and hold its shape during your highest-intensity activities. And as a bonus, this hat is reversible, meaning no matter what your kit looks like from one day to the next, this beanie will help keep you comfortable, dry, and temperature-regulated.

Whether you're running in frigid temps or skate-skiing in blustery winds, our Men's Merino Sport 250 Wind Boxer Brief keeps you comfortably covered. Smartwool's warmest Merino/poly-engineered material helps move moisture, dries quickly, and holds its shape during your highest-intensity activities. A windproof front panel provides increased protection as temps drop. And minimal Merrow seam construction provides superior durability while keeping super-soft Merino next to skin.

Throw on the performance-ready Merino Sport Fleece Training Beanie and brave the winter weather in confidence. Front and back reflectivity provide additional visibility in low-light situations, while an opening in the hat allows for a secure fit while wearing sunglasses. Soft-brushed Merino next to skin and polyester against the elements bring balance to comfort and performance, letting you get out there and enjoy your run, all winter long.

The Men's Smartloft 120 Jacket is performance up front and breathability in the back. The front of the jacket features Smartwool's 120g proprietary 50% recycled wool insulation, giving you breathable, lightweight, packable warmth. The back panel is Sport Fleece fabric with a DWR finish, perfect for high-intensity workouts. Two zippered hand pockets and one zippered chest pocket with a media cord outlet means you can stow your keys and phone without worrying about them falling out. The jacket is also lined with Merino to make sure you're comfortable from the inside out.

Don't let the weather stop you from getting out and getting after your goals. The Men's Smartloft-X 60 Pant is designed to help you stay comfortable in colder conditions. DWR coating helps protect you against the elements, while proprietary recycled-wool insulation helps move sweat in a vapor state and provides breathability. Throw your keys or phone in the two side zippered pockets, use the drawcord for a dialed-in fit, and head out the door to take down your trail/track/road.

When you're outside in variable conditions and need an insulating layer that can handle what Mother Nature throws at you, put on our Men's Smartloft-X 60 Vest. Its stretch fabric and insulation are designed to move with you—allowing you to have full range of motion while you're skinning up or carving down the mountain. This men's Merino wool midlayer features a breathable DWR-coated, highly wind-resistant outer to help provide weather protection. And it uses our Merino insulation to transport sweat away from your body while helping keep you warm. It's perfect for backcountry pursuits or high-intensity outings in colder weather.

Keep your fingers nimble when the temperature drops in the Striped Liner gloves. Touch screen-friendly thumb and forefinger mean you can stay in touch without freezing your fingers. Knit in Taiwan: Body: 47% Merino Wool, 47% Acrylic, 5% Nylon, 1% Elastane; Thumb & Index Finger Tip: 96% Polyester, 3% Other Fiber, 1% Elastane Versatile, lightweight knit for ease of movement Rib knit cuff finishing for bulk-free fit Knit-in touch screen capability on thumb and index finger Style: SW0SC301

A multi-season essential. The uncluttered, go-anywhere Lid is streamlined in style but durably warm. Perfect for your spontaneous detours into the foothills. Single-layer jersey with headband liner.

2-layer construction MERINO BLEND base layer bottom. Warm on the outside and soft on the inside. Elastic waistband. Men MULTI style.

MERINO BLEND base layer zip top. Soft on the inside, warm on the outside. MULTI style for men.

A classic, all-purpose base layer T-shirt made with soft and breathable 100% merino wool fabric, the 175 Everyday Long Sleeve Half Zip is as versatile as it is comfortable.

A perfect base layer on cooler morning commutes or year-round travel. Made from breathable merino rib, Icebreaker's 175gm Everyday Leggings move with you, keeping you warm in cooler weather and cool in warmer conditions. A naturally odour resistant fabrication allows for multi-day wear, ideal for journeys further afield. INSEAM: Large = 77.2cm / 30½" FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Odour Resistant, Breathable, Moves with you FEATURES: Rib fabric provides stretch and comfort, Icebreaker branded brushed elastic waistband, inseam: 77.2cm/30½", size L FABRIC WEIGHT: 175 Ultralight FABRIC: 100% Merino Wool

A classic, all-purpose men’s base layer T-shirt made with soft and breathable 100% merino wool fabric, the 175 Everyday Long Sleeve Crewe is as versatile as it is comfortable.

Icebreaker's best-selling active baselayer bottoms made with their ultra-comfortable 100% merino jersey fabric and an updated design for improved comfort, the 200 Oasis Leggings are the perfect foundation for your everyday cold-weather layering system. The Oasis fabric is not only insulating and highly breathable, but it resists odors during extended use. The slim fit and gusseted construction provide unrestricted freedom of movement, while the brushed elastic waistband and flatlock seams throughout eliminate chafing when you’re on the move. INSEAM: Large = 78.1cm / 30¾" FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Odour Resistant, Breathable, Warm FEATURES: Icebreaker branded brushed elastic waistband, flatlock seams prevent chafing, gusset for comfort and mobility, inseam: 78.1cm/30¾", size L FABRIC WEIGHT: 200 Lightweight FABRIC: 100% Merino Wool

Active men’s base layer bottoms made from 100% merino wool jersey, the 200 Oasis Leggings are Icebreaker's best-selling long underwear.

Icebreaker's best-selling active baselayer bottoms made with their ultra-comfortable 100% merino jersey fabric and an updated design for improved comfort, the 200 Oasis Leggings are the perfect foundation for your everyday cold-weather layering system. The Oasis fabric is not only insulating and highly breathable, but it resists odors during extended use. The slim fit and gusseted construction provide unrestricted freedom of movement, while the brushed elastic waistband and flatlock seams throughout eliminate chafing when you’re on the move. INSEAM: Large = 78.1cm / 30¾" FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Odour Resistant, Breathable, Warm FEATURES: Icebreaker branded brushed elastic waistband, flatlock seams prevent chafing, gusset for comfort and mobility, inseam: 78.1cm/30¾", size L FABRIC WEIGHT: 200 Lightweight FABRIC: 100% Merino Wool

Icebreaker's best-selling active baselayer bottoms made with their ultra-comfortable 100% merino jersey fabric and an updated design for improved comfort, the 200 Oasis Leggings w/ Fly are the perfect foundation for your everyday cold-weather layering system. The Oasis fabric is not only insulating and highly breathable, but it resists odors during extended use. The slim fit and gusseted construction provide unrestricted freedom of movement, while the brushed elastic waistband and flatlock seams throughout eliminate chafing when you’re on the move. FEATURES: Updated design, Icebreaker branded brushed elastic waistband, Flatlock seams prevent chafing, Contoured pouch with functioning fly, Gusset for comfort and mobility, Inseam: 78.1cm/30¾", size L FABRIC: 100% Merino Wool

Icebreaker's classic reliable merino baselayer bottom in a mid-calf design, the 200 Oasis Legless is designed for use with ski boots, mountain boots and other high-cuff winter footwear. The updated design features a gusset for comfort and mobility, and short-leg length to eliminate uncomfortable bunching. The 100% merino jersey fabric offers super-soft, next-to-skin comfort, incredible breathability and natural odor resistance. The brushed elastic waistband and flatlock seams prevent irritation during high-intensity days outside. INSEAM: Large = 60cm / 23½" FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Odour Resistant, Breathable, Warm FEATURES: Icebreaker branded brushed elastic waistband, flatlock seams prevent chafing, gusset for comfort and mobility, inseam: 60cm/23½", size L FABRIC WEIGHT: 200 Lightweight FABRIC: 100% Merino Wool

A versatile men’s merino wool base layer shirt, the 200 Oasis Long Sleeve Crewe combines casual comfort with technical performance.

Midweight men’s merino wool base layer leggings perfect for skiing, winter hiking or cold-weather layering, the 260 Tech Leggings are technical long underwear bottoms that feature a gusseted construction and breathable, odor-resistant fabric.