Intraknit REI Co-op

Made with innovative Intraknit™ technology, the men's Smartwool Intraknit Thermal Merino Crew base layer top is a lightweight, super-moveable top,

Intraknit Thermal Merino Crew Base Layer Top - Men's

Smartwool Intraknit Merino Tech Quarter-Zip Pullover - Men's

Smartwool Intraknit Thermal Merino Crew Review

With fun patterns and high functionality, the women's Smartwool Intraknit Thermal Merino Pattern Crew base layer top is 3D-mapped for great fit and

Intraknit Thermal Merino Pattern Crew Base Layer Top - Women's

Smartwool Intraknit Merino Tech Half-Zip Hoodie - Men's

Keep your temperature just right on chilly days with the built-in, body-mapped ventilation of the women's Smartwool Intraknit Thermal Merino

Intraknit Merino Colorblock Quarter-Zip Base Layer Top - Women's

Designed to layer under shorts or pants, the women's Smartwool Intraknit Active base layer bottoms help with moisture management and temperature

Intraknit Active Base Layer Bottoms - Women's

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

REI Co-op Holiday Warm Up Sale: 2023 Outdoor Gear Guide

Smartwool Intraknit Active Base Layer Bottoms - Men's

Smartwool Intraknit Thermal Merino Colorblock Quarter-Zip Base Layer Top - Men's