Stay Warm and Stylish on Every Winter Adventure

100% Merino Wool: Soft, cozy, and naturally breathable for all-day comfort.
No More Chafing: Shoulder panels and flatlock seams ensure a smooth fit, even under heavy gear.
Adventure-Ready Style: Fresh new colors to keep you looking sharp while conquering the cold.

The Men's Classic Thermal Merino Base Layer Crew from Smartwool is your trusty companion for winter adventures. With enhanced comfort, a perfect fit, and stylish new colors, you’ll be ready to take on any challenge the cold throws at you.

Tech Specs

Slim Fit
Garment Weight: 276 g = 9.74 oz
Knit in Vietnam: 100% Merino Wool
Flatlock seam construction designed to minimize chafing
Shoulder panels eliminate top shoulder seams
Smartwool Updated Fit to improve functionality while enhancing aesthetics
100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
Wash With Like Colors
Do Not Dry Clean
Cool Iron As Needed
Do Not Bleach
Machine Wash Warm Gentle Cycle
Tumble Dry Low

Temp Rating: Classic Thermal Cool25° - 50°, Cold<25°

SIZE GUIDE

Size	Small	Medium	Large	X-Large	XX-Large
Chest	36”–38”	39”–41”	42”–44”	45”–48"	49”–51"
Waist	29”–31”	32”–34”	35”–37”	38”–40”	41”–44”
Hip	36”–38”	39”–41”	42”–44”	45”–48”	49”–51”
Arm Length	31”–32”	32”–33”	33”–34”	34”–35”	35”–36”
Inseam	30”–31”	31”–32”	32”–33”	33”–34”	34”–35”

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M's Classic Thermal Merino Base Layer Crew

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