Women's Smartwool Thermal Merino Base Layer Crew - SW016369-M07 Safety & Visibility For an effortless

For an effortless

the Podium® Chill™ bottle fits in the palm of your hand and delivers a high-flow stream via Jet Valve™ technology

it's the perfect companion for wild runs

- GripDry™ Fiber in the heel and forefoot keeps you stable in your shoes

Sizing Guide (based on shoe size

Women's Smartwool Thermal Merino Base Layer Crew - SW016369-M07 Safety & Visibility For an effortlessMeet the new and improved Women's Classic Thermal Merino Base Layer Crew. We've 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 next