
Smartwool Men's Classic Thermal Merino Base Layer 3/4 Bottom - Winter 2025/2026
Help keep your ski boots, hiking boots, and running shoes free of bulk and friction with our Men's Classic Thermal Merino Base Layer 3/4 Bottom. 100% responsibly sourced Merino wool provides ultimate breathability and comfort, while a newly redesigned base layer pants fit helps reduce sag and excess fabric—perfect for your layering needs.
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 designed to help increase comfort and minimize chafing
- Fully functional fly
- Merino-lined elastic waistband designed for comfort
- 100% Merino next to skin
- Size medium inseam: 21.5" (55 cm)
- Made in Vietnam: 100% Merino Wool. Exclusive of Decoration.
Care Instructions:
- Machine Wash Warm Gentle cycle
- Wash With LikeColors
- Do Not Bleach
- Tumble Dry Low
- Cool Iron As Needed
- Do Not Iron Decoration
- Do Not Dry Clean
Help keep your ski boots, hiking boots, and running shoes free of bulk and friction with our Men's Classic Thermal Merino Base Layer 3/4 Bottom. 100% responsibly sourced Merino wool provides ultimate breathability and comfort, while a newly redesigned base layer pants fit helps reduce sag and excess fabric—perfect for your layering needs.
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 designed to help increase comfort and minimize chafing
- Fully functional fly
- Merino-lined elastic waistband designed for comfort
- 100% Merino next to skin
- Size medium inseam: 21.5" (55 cm)
- Made in Vietnam: 100% Merino Wool. Exclusive of Decoration.
Care Instructions:
- Machine Wash Warm Gentle cycle
- Wash With LikeColors
- Do Not Bleach
- Tumble Dry Low
- Cool Iron As Needed
- Do Not Iron Decoration
- Do Not Dry Clean
Description
Help keep your ski boots, hiking boots, and running shoes free of bulk and friction with our Men's Classic Thermal Merino Base Layer 3/4 Bottom. 100% responsibly sourced Merino wool provides ultimate breathability and comfort, while a newly redesigned base layer pants fit helps reduce sag and excess fabric—perfect for your layering needs.
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 designed to help increase comfort and minimize chafing
- Fully functional fly
- Merino-lined elastic waistband designed for comfort
- 100% Merino next to skin
- Size medium inseam: 21.5" (55 cm)
- Made in Vietnam: 100% Merino Wool. Exclusive of Decoration.
Care Instructions:
- Machine Wash Warm Gentle cycle
- Wash With LikeColors
- Do Not Bleach
- Tumble Dry Low
- Cool Iron As Needed
- Do Not Iron Decoration
- Do Not Dry Clean























