Women's Classic Thermal Merino Base Layer Crew Size:MD Made from an aluminum alloy

Made from an aluminum alloy that’s strong as steel but light as

5-mm smooth-skin neoprene

FUSION rubber for lightweight durability

A new feature of the TK16 V2

we’re not here to tell you where to sleep—we’re just here to help you catch ALL THE Zs when you get there

Women's Classic Thermal Merino Base Layer Crew Size:MD Made from an aluminum alloyMeet 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