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.

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.

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. 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 - 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: 10" (25 cm) - Made in Vietnam: 100% Wool-Merino. Exclusive of Decoration.

Made to move, the Cascade provides all the warmth of merino with a four-way stretch. Cascade has been designed to keep its shape and last longer. Features - 1/4 zip for ventilation - Straight hem - Flatlocked seams to prevent friction - Thumb loops

Made to move, the Cascade provides all the warmth of merino with a four-way stretch. Cascade has been designed to keep its shape and last longer. Features - Mock neck holds warmth in - Straight hem - Flat-locked seams to prevent friction - Thumb loops

The original loose-fitting base layer with 100% natural warmth. The technical performance of merino matched with uncompromised style, the Yotei can be worn on its own or over a base layer. Made using our 100% Merino, which is warm, breathable and odor-resistant. Features - Mons standard fit - First layer fit, base layer warmth - Thumb loops

The original loose-fitting base layer with 100% natural warmth. The technical performance of merino matched with uncompromised style, the Yotei can be worn on its own or over a base layer. Made using our 100% Merino, which is warm, breathable and odor-resistant. Features - Mons standard fit - First layer fit, base layer warmth - Funnel hood seals out the weather and fits seamlessly under a helmet - Thumb loops