Smartwool's Intraknit Thermal Merino Base Layer Pattern Crew is engineered to enhance your performance with lighter weights and a cleaner finish. This base layer is 3D-mapped for a near-custom fit and freedom of movement, while ribbed elbows provide extra flex room. New technology allows a seamless knit mesh ventilation in gender-specific zones designed to help keep your body dry and warm as you zip up and venture out in comfort.

Specs

• Slim Fit
• 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 with: 53% Merino Wool, 45% Polyester, 2% Elastane
• Weighs in at 180 g / 6.35 oz