Merino Wool

Smartwool has updated the fit of our Men's Merino 250 Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of their heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature-regulated as you enjoy high-intensity skiing, hiking, running, and more.

Smartwool has updated their Men's Merino 250 Base Layers Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wool will help you keep your game at a high level for longer. And their warmest-weight wool fabric will help keep you warm and comfortable as you ski, run, and hike the day away.

Meet the better-than-ever Men's Merino 250 Base Layer Crew. Smartwool has 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 their best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking.

Extremely lightweight yet warm, the Merino Beanie is a winter essential, preventing heat loss on cold winter days either on the hill or mountain. Ideal for cold weather layering or stand-alone use, the Merino beanie is made with superfine 100% Merino, and features a tonal embroidered Rab® logo. One Size

A breathable merino technical top, designed to naturally regulate your temperature, control odor and keep you comfortable when you’re working hard in the widest range of conditions. Made from a blend of 65% RWS-certified merino wool and 35% recycled polyester. All of the virgin wool Patagonia sources is certified to the Responsible Wool Standard (RWS) from farm to fiber to help ensure protection both for the animals that supply it and the land they graze. Fair Trade Certified™ sewn. Weight: 139 g (4.9 oz) Men's Trim Fit Model is 6'1" wearing a size medium

The lightest base layer top that’s perfect for active adventure and everyday training, the 150 Zone Long Sleeve Crewe features 150gm jersey corespun with LYCRA® to maximize flexibility.

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. Weight: Large = 205 g / 7.23 oz Men's Trim Fit.

Versatile year-round base layer bottoms made with 100% merino wool and a slim fit, the 175 Everyday Leggings offer premium breathability, odor-resistance and next-to-skin comfort.

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

A versatile men’s merino wool base layer shirt, the 200 Oasis Long Sleeve Crewe combines casual comfort with technical performance. Weight: Large = 321 g / 11.3 oz Men's Trim Fit

Icebreaker's 100% merino, 200gm Everyday Bodyfit™ tops layer effortlessly under any mid and outer layers for the ultimate cool weather adventures. With seams carefully offset from the peak of your shoulder, you won't find any irritation from the straps of a heavy pack. All over flatlock seams prevent chafing and underarm gussets allow breathability where your body needs it. The Oasis Long Sleeve Half Zip is your go-to adventure staple. Weight: 355 g / 12.5 oz (Size Large) Men's Trim Fit Model measurements: Height: 5'11" / 180cm. Waist: 34.2" / 87cm. He is wearing size M

Their best-selling base layer bottoms made from soft and breathable 100% merino wool jersey, the 200 Oasis Leggings With Fly are the perfect foundation for your cold-weather layering.

Our best-selling base layer bottoms made from soft and breathable 100% merino wool jersey, the 200 Oasis Legless feature a short leg for use with boots.

Very versatile, go-anywhere shirt made from breathable 100% merino wool jersey, the 200 Oasis Long Sleeve Crewe is our best-selling base layer top.

Their versatile 100% merino wool base layer top with a classic zip-neck design, the 200 Oasis Long Sleeve Half Zip combines casual comfort with technical performance.

Their versatile, go-anywhere shirt made from breathable 100% merino wool jersey, the 200 Oasis Short Sleeve Crewe is our best-selling base layer top.

The benchmark against which all others are judged, the 200 Oasis Shorts feature the most versatile merino jersey fabric for year-round layering performance across any activity. Weight: Large = 200 g / 7.05 oz Men's Trim Fit Fabric weight: 200 Lightweight Model measurements: Height: 188cm / 6'2". Waist: 80cm / 31.5". Abeiku is wearing size Medium.

The slim-fit Shifter Pants combine a classic jogger-style silhouette with our soft, stretchy corespun jersey fabric and a modern, tapered leg opening. Weight: 189 g / 6.66 oz (Size Large) Men's Regular Fit Fabric Weight: 200 Lightweight Merino

Featuring their most versatile merino jersey fabric, the 200 Sonebula Leggings provide ample warmth whatever the activity.

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. Men's Trim Fit. Weight: Large = 365.38 g / 12.8 oz

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. Weight: 320 g / 11.29 oz (Size Large) Men's Trim Fit. Fabric Weight: 260 Midweight Mid Layer Merino

A warmer, midweight version of the best-selling Oasis, the 260 Tech Long Sleeve Crewe is a go-to piece for winter layering, made with 100% merino wool. Weight: Large = 400 g / 14.1 oz Men's Trim Fit Model measurements: Height: 5'11" / 180cm. Waist: 34.2" / 87cm. He is wearing size M

A warmer, midweight version of their best-selling Oasis, the 260 Tech Long Sleeve Crewe is a go-to piece for winter layering, made with 100% merino wool.

Their 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.

A warmer, midweight version of their best-selling Oasis, the 260 Tech Long Sleeve Half Zip is a go-to piece for winter layering, made with 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.

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

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. Weight: 400 g / 14.1 oz (Size Large) Men's Trim Fit. Model measurements: Height: 5'11" / 180cm. Waist: 34.2" / 87cm. He is wearing size Medium

Icebreakers technical, cold-weather base layer top for highly aerobic days, the 260 Zone Long Sleeve Half Zip features zoned ventilation panels for active temperature regulation and ample breathability. Weight: 325 g / 11.46 oz (Size Large) Men's Trim Fit. Model measurements: Height: 5'11" / 180cm. Waist: 34.2" / 87cm. He is wearing size Medium

Classic boxer briefs made with a stretchy slim fit and the corespun fabric, the Anatomica Boxers are supportive and comfortable for daily life and active pursuits. Product weight: Large = 79.4 g / 2.8 oz Men's Trim Fit. Inseam: 11.6cm/4½", Size L Model measurements: Height: 6’1” / 186cm. Waist: 33.1" / 84cm. He is wearing size Medium.