Smartwool Thermal Merino Base Layer One Piece - Men's
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Smartwool Thermal Merino Base Layer One Piece - Men's
2026 Men's Smartwool Baselayer Suit
Meet the Men's Classic Thermal Merino Base Layer Crew One Piece, which provides a full-body layer of warmth. This 100% Merino wool one piece combines the moisture management, temperature regulation, and odor resistance of Merino with the comfort of an interlock knit. Featuring a fully functional fly, a zippered drop seat, set-in sleeves, and a flatlock seam to help prevent chafing, this base layer is designed for easy wear and maximum comfort.
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 designed to minimize chafing
Set-in sleeves
Side seams wrap to front for a more distraction-free fit
Zippered drop seat
Fully functional fly
Made in Vietnam: 100% Merino Wool. Exclusive of Decoration.
SW002973
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