Smartwool Classic Thermal Merino Base Layer Crew for Women Size:XS Featuring a contoured foot-bed that

Featuring a contoured foot-bed that gives you the support of classic Birkenstocks

Built for breezing through the concourse

The Bugout™ was designed for the modern outdoor adventurer

Leakproof performance

Smartwool Classic Thermal Merino Base Layer Crew for Women Size:XS Featuring a contoured foot-bed thatMeet the new and improved Women's Classic Thermal Merino Base Layer Crew. Smartwool updated this 100% Merino wool fan favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder panels and its flatlock seam construction helps prevent chafing and increases your comfort level. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the