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.
Fit & Design:
Slim fit is intended to follow the contours of the body
Center-front zipper
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
Technology:
Moisture management
Odor-resistance
Additional Details:
Size medium center-front zipper: 10"" (25 cm)
Machine Wash Warm Gentle Cycle
Wash With Like Colors
Do Not Bleach
Tumble Dry Low
Cool Iron As Needed
Do Not Iron Decoration
Do Not Dry Clean
Size and Fit:
Slim fit
Comfortable, breathable fabric
Machine washable
Country of Origin: Imported
Fabric: 100% Merino Wool
Size and Fit Summary: Slim fit | Comfortable, breathable fabric | Machine washable
Style Variants
Available Colors: Winter Moss Summit Soul, Charcoal/Honey Gold
Size Reference for SmartWool Merino 1/4 Zip Base Layer
Available Sizes: S, M, L, XL, XXL














