Smartwool Merino Intraknit Active LS - Cross Country Ski HQ

Women's Intraknit Active Base Layer Bottom

Smartwool Intraknit Thermal Merino Crew Base Layer Top - Men's

Women's Intraknit Hipster Boxed

This minimalist-style crew is anything but insignificant. Our Men's Intraknit™ Thermal Merino Base Layer Crew is a lightweight, super-moveable top,

Men's Intraknit Thermal Merino Base Layer Crew

Smartwool Intraknit Thermal Merino Crew Base Layer Top - Men's

Smartwool Intraknit Thermal Merino Crew Base Layer Top - Men's

Strenuous activity is supposed to be uncomfortable—but Smartwool® base layers can help reduce some of that. Meant to layer under shorts or pants, our

Women's Intraknit Active Base Layer Bottom

Women's Intraknit Active Base Layer Bottom

Men's Intraknit Merino 200 Crew, Smartwool®

Men's Intraknit Active Lined Short

This minimalist-style crew is anything but insignificant. Our Men's Intraknit™ Thermal Merino Base Layer Crew is a lightweight, super-moveable top,

Men's Intraknit Thermal Merino Base Layer Crew

Men's Intraknit Thermal Merino Base Layer Pattern Crew

One of the best parts of Smartwool® base layers is that they help reduce some of the uncomfortable distractions intense activity can produce. Our

Women's Intraknit Active Base Layer Long Sleeve