Base Layer Tops

Our popular Classic All-Season Merino Base Layer 1/4 Zip is the perfect base layer for warm or cold weather. This top uses our All-Season-weight Merino fabric wrapped around a nylon core to increase durability, while still keeping the 100% soft, Merino wool you love next to skin. Side seams help minimize chafing while wearing a pack and offer a body-enhancing fit. This base layer is comfortable, powerful, sustainable, and, frankly, do-it-all-able. Features - Fit: Slim - Our slim fit is intended to follow the contours of the body - Our lightweight Merino jersey fabric uses a recycled nylon core while still keeping 100% Merino wool next to skin - Flatlock seam construction and offset shoulder and side seams designed to help increase comfort and minimize chafing - Side seams wrap to front - Size medium center-front zipper: 8" (20 cm) - Made in China: 88% Wool-Merino, 12% Nylon. Exclusive of Decoration.

An all-season favorite, the Women's Classic All-Season Merino Base Layer Long Sleeve can be sported as a base layer in the fall or summer when it's time to go backpacking. This base layer features Core Spun technology—which is Merino wrapped around a nylon core for added durability while still keeping the comfort of ultra-soft, responsibly sourced Merino next to skin. Our Raglan sleeves eliminate shoulder seams for perfect comfort under a pack, and smooth merrow stitching wraps from side to front to keep you looking as good as you feel. Features - Fit: Slim - Our slim fit is intended to follow the contours of the body - Our lightweight Merino jersey fabric uses a recycled nylon core to increase durability while still keeping 100% Merino wool next to skin - Merrow stretch stitching designed to elevate comfort, range of motion, and fit - Side seams wrap to front for body-enhancing fit - Raglan sleeve design eliminates need for shoulder seams - Made in China: 88% Merino Wool, 12% Nylon. Exclusive of Decoration.

Spring skiing or summer camping? The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With our Core Spun technology, we've wrapped lightweight Merino around a nylon core for added durability, while still keeping the comfort of ultra-soft, responsibly-sourced Merino next to skin. We added smooth flatlock seams to help minimize chafing and offset shoulder and side seams to lie smoothly beneath pack straps. No matter the season or the activity, this base layer is made for it. Features: - Fit: Slim - Our slim fit is intended to follow the contours of the body -Our lightweight Merino jersey fabric uses a recycled nylon core to increase durability while still keeping 100% Merino wool next to skin - Flatlock seam construction and offset shoulder and side seams designed to increase comfort and minimize chafing - Side seams wrap to front for body-enhancing fit - Made in China: 88% Merino Wool, 12% Nylon. Exclusive of Decoration.

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. 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 - Shoulder panels eliminate top shoulder seams - Flatlock seam construction designed to minimize chafing - Knit in Vietnam: 100% Merino Wool - Garment Weight: 276 g = 9.74 oz

Bring comfort to every cold-weather workout in the Men's Active Fleece 1/2 Zip. Designed with a four-way stretch knit fabric for maximum mobility, soft-brushed Merino next to skin for long-lasting comfort, and recycled synthetic materials to protect you against the elements. Features: - Fit: Regular - Our regular fit is intended to help give you room to move without additional bulk - Four-way stretch knit fabric puts soft-brushed Merino next to skin and recycled synthetic material against the elements to help balance comfort and protection - Secure chest pocket - Thumbholes at cuffs - Reflective elements - Size medium center-front zipper length: 11" (28 cm) - Made in Vietnam: Main Body: 47% Polyester, 38% Merino Wool, 15% Elastane. Pockets: 100% Polyester. Exclusive of Decoration.

We've updated the fit of our Women'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 one of our best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help prevent chafing as well as keep you comfortable and temperature regulated as you enjoy high-intensity skiing, hiking, running, and more. Features: - Fit: Slim - Our slim fit is intended to follow the contours of the body - Fabric helps combine the moisture management, temperature regulation, and odor resistance of 100% Merino wool with interlock knit for comfort - Back body seam wraps to front - Raglan sleeves - Flatlock seam construction designed to help increase comfort and minimize chafing - Size medium center-front zipper: 8" (20 cm) - Made in Vietnam: 100% Wool-Merino. Exclusive of Decoration.

Meet the new and improved Women's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder panels and its flatlock seam construction helps prevent chafing and increases your comfort level. 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 China: 100% Merino Wool - Garment Weight: 218 g = 7.69 oz

The Kari Traa Rose Light Long Sleeve is a lighter-weight, thin merino baselayer with a classy, feminine, Nordic-inspired floral design and a slim, sporty silhouette. Combining ethically sourced wool and 4-way stretch, this top offers next-to-skin comfort, natural odor-resistance, and breathability. A round neck and raglan sleeves make layering a cinch.