Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip - Winter 2025/2026
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.Â
Features:
- Slim Fit
- 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% Merino Wool. Exclusive of Decoration.
Care Instructions:
- 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
Original: $72.00
-65%$72.00
$25.20More Images
Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip - Winter 2025/2026
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.Â
Features:
- Slim Fit
- 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% Merino Wool. Exclusive of Decoration.
Care Instructions:
- 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
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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.Â
Features:
- Slim Fit
- 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% Merino Wool. Exclusive of Decoration.
Care Instructions:
- 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
