Underwear

Stretchy and slim-fit merino wool men’s boxers made with Icebreaker's corespun fabric, the Anatomica Boxers offer the support and comfort you need.

Stretchy and slim-fit merino wool men’s boxers made with Icebreaker's corespun fabric, the Anatomica Boxers With Fly offer the support and comfort you need.

Built with a super-soft, stretchy and highly durable merino wool blend, and outfitted with the support and comfort you need for both daily life and weekend adventures, the Anatomica Briefs are the underwear you’ve been searching for. With an exclusive Icebreaker supportive fit that makes them even more comfortable, the Anatomica Briefs feature corespun fabric, merino wool fibers wrapped around a nylon core, for increased durability, strength, and next-to-skin softness. Flatlock seams eliminate chafing when you’re on the move, and the contoured pouch offers additional support. FIT: Slim LAYER: Underwear BEST FOR: Hike, Adventure BENEFITS: Comfort, support, Odor Resistant, Lightweight, Breathable FEATURES: Updated with improved fit, closed contour pouch, flatlock seams prevent chafing, corespun fabric for added durability FABRIC WEIGHT: 150 Ultralight FABRIC: 83% Merino Wool, 12% Nylon, 5% LYCRA® corespun

An ultralight tank built with a super-soft, stretchy and highly durable merino wool blend, the Anatomica Tank provides the versatile, breathable comfort you need for warm, active days out. With an updated fit that makes it even more comfortable, the Anatomica Tank also feature Icebreaker's corespun fabric, which uses nylon fibers wrapped in merino wool for increased durability and strength that retains 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 PRODUCT WEIGHT: Medium = 180 g / 6.34 oz

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

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

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.

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

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

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

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 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®

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.

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.

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

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.

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 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

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.

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 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

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