Women's Smartwool Classic Thermal Merino Base Layer Crew Size:L A serious runner's new favorite

A serious runner's new favorite companion

helping you reach your peak performance

These shoes just plain look and feel good

more thermoregulated

The soft and stretchy boxer brief liner keeps your inner thighs chafe-free and doesn’t ride up on the run

Women's Smartwool Classic Thermal Merino Base Layer Crew Size:L A serious runner's new favoriteMeet the new and improved Women's Merino 250 Base Layer Crew. Made with 100% Merino wool, Smartwool's fans will appreciate the additional color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder panels 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 next