The Smartwool Men's Intraknit™ Thermal Merino Base Layer Crew is built for maximum performance. The lightweight, highly flexible top is designed for any extreme cold-weather activity. Made with Merino wool and featuring gender-specific ventilation for optimal thermoregulation, it enhances moisture management, breathability, and comfort during high-intensity pursuits. With this base layer, you're ready to tackle any adventure.

Features

• Slim Fit
• 3D mapping results in near custom fit and freedom of movement while ribbed elbows provide added durability
• Mesh ventilation seamlessly knit in gender-specific zones designed to keep the body dry and comfortable
• Engineered construction uses knit structures to enhance performance with lighter weights and cleaner finish
• Garment Weight: 208 g = 7.34 oz
• Knit in India: 53% Merino Wool, 45% Polyester, 2% Elastane
• Merino Sport yarn combines the power of Merino with the durability and fast dry times of polyester