Baselayers

Our Women’s Active Legging includes thoughtful details like drop-in pockets, an envelope stash pocket, and an interior waistband that helps with moisture wicking and fast dry times. Made from breathable stretch fabric, this legging offers a slim fit that hugs the body’s contours. With features like that, no matter where your day takes you—skiing, boarding, snowshoeing, the couch—this legging will help you stay comfortable throughout.

We've updated the fit of our Men's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our 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.

We've updated our Men's Classic Thermal Merino Base Layer 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 our heaviest 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 Classic Thermal Merino 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.

When you combine Merino wool with TENCEL™ Lyocell fibers, you get a performance fabric with a number of comfort-inducing benefits, including softness that feels great next to skin, odor resistance and moisture management for when the sweat starts to pour, and temperature regulation for when you take it up a notch. Best layered under shorts or pants, our Men’s Intraknit™ Active Base Layer Bottom is the purpose-built staple that will help you stay comfortable and feel dry, even during the most challenging of activities.

Strenuous activity is supposed to be uncomfortable—but Smartwool® base layers can help reduce some of that. Meant to layer under shorts or pants, our Women’s Intraknit™ Base Layer Bottom is designed to help with moisture management and temperature regulation. It’s built with a blend of responsibly sourced Merino wool and TENCEL™ Lyocell fibers, making a performance fabric which helps with cooling. Plus, it offers a fit that moves with your body, mesh ventilation to help keep you dry, and minimal seams to help reduce chafing. With this bottom, you have fewer distractions to keep you from going at your workout with top-notch intensity. So go ahead and get after it!

You might be surprised to learn that layering can be the best way to keep your body comfortable and temperature-regulated—even if it isn’t freezing cold out. With intentionally designed fabric that can help with moisture management and adds mesh ventilation for breathability, our Men’s Intraknit™ Active Base Layer Long Sleeve will be the second skin your body craves as your activity goes to the next level. Keep comfortable by layering up!

One of the best parts of Smartwool® base layers is that they help reduce some of the uncomfortable distractions intense activity can produce. Our Women’s Intraknit™ Active Base Layer Long Sleeve can help you feel drier, more thermoregulated, and all-around more comfortable. And, with mesh ventilation zones for cooling, a supportive fit that moves with your body, and minimal seams to help reduce chafing, this top will allow you to focus on taking your workout to the next level. So go out there and feel good doing it!

Built to fit, flex, and follow you like a shadow, our Women's Intraknit™ Thermal Merino Base Layer Bottom uses our innovative 3D knitting technology to create our most insulated, ventilated, and flexible base layer bottoms ever. These women's wool pants feature Merino Sport yarn to offer the power of Merino paired with the durability and fast dry times of polyester — perfect for skiing, running, and all your high-intensity training.

Made with our innovative Intraknit™ technology, this men’s base layer crew is designed with colorblock patterning for a distinctive look. It’s 3D-knit to enhance performance, and it offers mesh zones for better breathability in all the right places. Plus, this crew is built so that it fits as though it’s custom-made just for you. With enhanced durability features such as ribbed elbows, this shirt will last for a long time to come.

Keep your ski boots, hiking boots, and running shoes free of bulk and friction with our Men's Classic Thermal Merino Base Layer 3/4 Bottom. 100% responsibly sourced Merino wool provides ultimate breathability and comfort, while a newly redesigned base layer pants fit helps reduce sag and excess fabric - perfect for your layering needs. Features: - Slim Fit - 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance - Fit updated to improve functionality while enhancing aesthetics - Merino-covered elastic waistband and traditional fly design - Flatlock seam construction designed to minimize chafing - Size M inseam: 21.5" (55 cm) - Knit in Vietnam: 100% Merino Wool. Exclusive Of Decoration - Garment Weight: 204 g = 7.2 oz

No matter your adventures take you, The Men's Intraknit™ Merino Tech 1/2 Zip Hoodie was created to ensure your exploration starts and ends comfortably. Featuring our Intraknit™ technology with targeted mesh ventilation for breathability and a water-resistant finish for protection from the elements, you're free to explore without limits.

Your baselayer sets the tone for how all of your clothes feel for the day. That’s why choosing a top made of 100% ZQ-certified Merino wool just makes sense. This men’s wool crew top will leave you feeling so comfortable, you’ll never want anything else next to your skin. Plus, with eco-conscoius plant-based dye as its coloring agent, your crew will look unlike anyone else’s. No matter if you're snowshoeing, Nordic skiing, or walking around the block, this baselayer will help you stay comfy.

FEATURES Our slim fit is intended to follow the contours of the body Breathable four-way stretch fabric Fitted with a high-rise waist Two drop-in side pockets and one zippered back pocket Reflective elements for added visibility in low-light conditions Size medium inseam: 28" (71 cm) FIT Slim FABRIC WEIGHT 292 g/m2 GARMENT WEIGHT 230 g or 8.11 oz CONTENT Main Body: 87% Recycled Nylon, 13% Elastane. Lining: 53% Merino Wool, 47% TENCEL™ Lyocell. Exclusive of Decoration. SIZES XS-XL

Our Women's Classic Thermal Merino Base Layer Pattern Crew has been elevated to help bring you more comfort to conquer cold weather days and activities. 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 minimize 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. Features: - Slim Fit - 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance - Fit updated to improve functionality while enhancing aesthetics for a range of body shapes - Back body seam wraps to front for body-enhancing fit - Crew neck with raglan sleeves - Flatlock seam construction designed to minimize chafing - Knit in Vietnam: 100% Merino Wool - Garment Weight: 218 g = 7.69 oz

With floral patterns and even more functionality, Women's Intraknit Thermal Merino Base Layer Pattern Crew is engineered to enhance your performance with lighter weights and a cleaner finish. This Smartwool base layer is 3D-mapped for a near-custom fit and freedom of movement, while ribbed elbows provide extra flex room. New technology allows us to seamlessly knit mesh ventilation in gender-specific zones designed to help keep your body dry and warm as you zip up and venture out in comfort. Features: - Slim Fit - Merino Sport yarn combines the power of Merino with the durability and fast dry times of polyester - Engineered construction uses knit structures to enhance performance with lighter weights and cleaner finish - Mesh ventilation seamlessly knit in gender-specific zones designed to keep the body dry and comfortable - 3D mapping results in near custom fit and freedom of movement while ribbed elbows provide added durability - Knit in India: 53% Merino Wool, 45% Polyester, 2% Elastane - Garment Weight: 180 g = 6.35 oz