Underwear

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.

Icebreaker's versatile baselayer design in a midweight, zip-neck design, the updated 260 Tech Long Sleeve Half Zip is a go-to foundation for cold-weather layering, whether you’re scoring a powder day at the resort or enjoying a quiet hike through the woods. Made from 100% merino wool jersey fabric with a deep front zip that quickly dumps excess heat, the Tech LS Crewe insulates next-to-skin, breathes to regulate temperature and resists odors on active days or long stints away from home. Gusseted underarms, forward side seams and offset shoulder seams improve range of motion and prevent chafing when you’re moving fast or wearing a pack. FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, Breathable, Warm FEATURES: Zip neck collar for temperature regulation, offset shoulder seams prevent pack rub, flatlock seams prevent chafing, forward side seams for comfort, underarm gusset for comfort and mobility, drop tail hem for added coverage, center back length: 75.4cm/29¾", size L, Icebreaker tonal embroidered logo FABRIC WEIGHT: 260 Midweight FABRIC: 100% Merino Wool

Technical, cold-weather base layer bottoms for highly aerobic days, the 260 Zone Leggings feature zoned ventilation panels for active temperature regulation and ample breathability.

A 2-layer construction with flatlock seams, 100% wool exterior and the unique properties of technical Lifa® technology HH LIFA MERINO is our warmest base layer, perfect for any type of activity in cold weather. A unique 2-in-1 base layer with 100% merino wool combined with Lifa® Stay Warm Technology in a 2 layer construction. HH LIFA MERINO delivers all the great benefits of merino wool fibers plus the unique properties of technical LIFA(r) fibers.

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.

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.

A warmer midweight version of Icebreaker's best-selling Oasis Leggings, perfect for frigid days on the trails or the mountain, the updated 260 Tech Leggings w/ Fly feature a 100% merino wool fabric for premium softness, insulation and breathability. These odor-resistant baselayer bottoms also feature a gusseted construction for ample range of motion, and the brushed elastic waistband and flatlock stitching throughout eliminate chafing when you’re on the move. FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports BENEFITS: Comfort, Breathable, Warm FEATURES: Updated design, flatlock seams prevent chafing, contoured pouch with functioning fly, Icebreaker branded brushed elastic waistband, gusset for comfort and mobility FABRIC WEIGHT: 260 Midweight FABRIC: 100% Merino Wool PRODUCT WEIGHT: Medium = 243 g / 8.57 oz

Icebreaker's midweight men’s base layer for cold conditions, the 260 Tech Long Sleeve Crewe is a go-to piece for winter layering.

Icebreaker's lightest-weight long sleeve base layer tops are the ideal second skin to keep you comfortable throughout your physical pursuits. Made with breathable and insulating 150gm corespun merino, the Zone Long Sleeve Half Zip is perfect for year-round adventures. Whether you are running off-road, biking or just training around the city, it has got just enough LYCRA® to maximise flexibility while its next-to-skin comfort makes it a must have layering piece. Strategically placed merino mesh offers thermo-regulation, while flatlock seams prevent chafing during vigorous movement.

Icebreaker`s lightest-weight long sleeve base layer tops are the ideal second skin to keep you comfortable throughout your physical pursuits. Made with breathable and insulating 150gm corespun merino, the Zone Long Sleeve Crewe is perfect for year-round adventures. Whether you are running off-road, biking or just training around the city, it has got just enough LYCRA® to maximise flexibility while its next-to-skin comfort makes it a must have layering piece. Strategically placed merino mesh offers thermo-regulation, while flatlock seams prevent chafing during vigorous movement. FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure, Training BENEFITS: Comfort, Odour Resistant, Lightweight, Breathable FEATURES: Corespun fabric for enhanced durability, LYCRA® content for stretch and mobility, strategically placed merino mesh for ventilation, flatlock seams prevent chafing, raglan sleeve construction for mobility, underarm gusset for comfort and mobility, dropped front and back hem for added coverage, center back length: 74.8cm/29½", size L, Icebreaker heat transfer logo FABRIC WEIGHT: 150 Ultralight FABRIC: Body: 83% Merino Wool, 12% Nylon, 5% LYCRA® Eyelet: 85% Merino Wool, 14% Nylon, 1% LYCRA®

A unique 2-in-1 base layer with 100% merino wool exterior and 100% LIFA® Stay Warm Technology interior LIFA® MERINO MIDWEIGHT is perfect for any type of activity in cold weather. A unique 2-in-1 base layer with 100% merino wool combined with LIFA® Stay Warm Technology in a 2 layer construction. LIFA® Merino MIDWEIGHT delivers all the great benefits of merino wool fibers plus the unique properties of technical LIFA® fibers. Fiber Content: 57% Merino Wool, 43% Polypropylene

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 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 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

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

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.

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.

A unique 2-in-1 base layer with 100% merino wool exterior and 100% LIFA® Stay Warm Technology interior LIFA® MERINO MIDWEIGHT is perfect for any type of activity in cold weather. A unique 2-in-1 base layer with 100% merino wool combined with LIFA® Stay Warm Technology in a 2 layer construction. LIFA® Merino MIDWEIGHT delivers all the great benefits of merino wool fibers plus the unique properties of technical LIFA® fibers. Fiber Content: 57% Merino Wool, 43% Polypropylene

A unique 2-in-1 base layer with 100% merino wool exterior and 100% LIFA® Stay Warm Technology interior LIFA® MERINO MIDWEIGHT is perfect for any type of activity in cold weather. A unique 2-in-1 base layer with 100% merino wool combined with LIFA® Stay Warm Technology in a 2 layer construction. LIFA® Merino MIDWEIGHT delivers all the great benefits of merino wool fibers plus the unique properties of technical LIFA® fibers. Fiber Content: 57% Merino Wool, 43% Polypropylene

Icebreaker's technical, cold-weather base layer top for highly aerobic days, the 260 Zone Long Sleeve Crewe features zoned ventilation panels for active temperature regulation and ample breathability.

Icebreaker's lightest-weight short sleeve base layer tops are the ideal second skin to keep you comfortable throughout your physical pursuits. Made with breathable and insulating 150gm corespun merino, the Zone Short Sleeve Crewe is perfect for year-round adventures. Whether you are running off-road, biking or just training around the city, it has got just enough LYCRA® to maximise flexibility while its next-to-skin comfort makes it a must have layering piece. Strategically placed merino mesh offers thermo-regulation, while flatlock seams prevent chafing during vigorous movement. FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure, Training BENEFITS: Comfort, Odour Resistant, Lightweight, Breathable FEATURES: Corespun fabric for enhanced durability, LYCRA® content for stretch and mobility, strategically placed merino mesh for ventilation, flatlock seams prevent chafing, raglan sleeve construction for mobility, underarm gusset for comfort and mobility, dropped front and back hem for added coverage, center back length: 74.8cm/29½", size L, Icebreaker heat transfer logo FABRIC WEIGHT: 150 Ultralight FABRIC: Body: 83% Merino Wool, 12% Nylon, 5% LYCRA®. Eyelet: 85% Merino Wool, 14% Nylon, 1% LYCRA®

A warmer midweight version of Icebreaker's best-selling Oasis Leggings, perfect for frigid days on the trails or the mountain, the updated 260 Tech Leggings feature a 100% merino wool fabric for premium softness, insulation and breathability. These odor-resistant baselayer bottoms also feature a gusseted construction for ample range of motion, and the brushed elastic waistband and flatlock stitching throughout eliminate chafing when you’re on the move. FIT: Slim LAYER: Base Layers BEST FOR: Snow Sports, Adventure BENEFITS: Comfort, 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: 260 Midweight FABRIC: 100% Merino Wool

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 soft, stretchy base layer top for active layering and everyday comfort, the slim-fit Anatomica Long Sleeve Crewe features our ultralight 150gm merino wool corespun fabric.

An ultralight T-shirt built with a super-soft, stretchy and highly durable merino wool blend, the Anatomica Short Sleeve Crewe provides the versatile, breathable comfort you need for both active pursuits and daily life. With a tried-and-true fit that makes this shirt a daily favorite, the Anatomica Short Sleeve Crewe also features corespun fabric, merino wool fibers wrapped around a nylon core, for increased durability and strength while retaining next-to-skin softness. Flatlock seams eliminate chafing when you’re on the move. FIT: Slim LAYER: Underwear BEST FOR: Hike, Adventure BENEFITS: Comfort, Odor Resistant, Lightweight, Breathable FEATURES: Updated with improved fit, flatlock seams prevent chafing, corespun fabric for added durability FABRIC WEIGHT: 150 Ultralight FABRIC: 83% Merino Wool, 12% Nylon, 5% LYCRA® corespun

An ultralight T-shirt built with a super-soft, stretchy and highly durable merino wool blend, the Anatomica Short Sleeve V provides the versatile, breathable comfort you need for both active pursuits and daily life. With a tried-and-true fit that makes this shirt a daily favorite, the Anatomica Short Sleeve V also features corespun fabric, merino wool fibers wrapped around a nylon core, for increased durability and strength while retaining next-to-skin softness. Flatlock seams eliminate chafing when you’re on the move. FIT: Slim LAYER: Underwear BEST FOR: Hike, Adventure BENEFITS: Comfort, Odor Resistant, Lightweight, Breathable FEATURES: Updated with improved fit, flatlock seams prevent chafing, corespun fabric for added durability FABRIC WEIGHT: 150 Ultralight FABRIC: 83% Merino Wool, 12% Nylon, 5% LYCRA® corespun

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

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

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