New technology alert! Smartwool's Intraknit Thermal Merino Base Layer Crew employs some nifty new design techniques to help keep your body warm and dry as you get after it in comfort.

3D-mapping allows Smartwool to create a near-custom fit and absolute freedom of movement, with ribbed elbows offering even more flex. Lightweight, and specifically made for all of your most extreme cold-weather activities. This base layer features knitted-mesh ventilation in gender-specific zones, to keep you both warm and dry. Merino wool's durability joins forces with polyester's fast drying time for the ultimate base layer on the market.

Specs

• Slim Fit
• Smartwool's newest offering in the base layer category, offering innovative tech for ultimate comfort and performance
• Merino Sport yarn combines the power of Merino with the durability and fast dry times of polyester
• Engineered construction uses knit structures to enhance performance with lighter weights and cleaner finish
• Mesh ventilation seamlessly knit in gender-specific zones designed to keep the body dry and comfortable
• 3D-mapping results in near custom fit and freedom of movement while ribbed elbows provide added durability
• Knit in India: 53% Merino Wool, 45% Polyester, 2% Elastane
• Garment Weight: 208 g = 7.34 oz
• Smartwool's Go Far. Feel Good. Guarantee