Women's Classic Thermal Merino Base Layer Crew SIZE:XL or exploring beyond the course

or exploring beyond the course

With a roll cuff for added warmth over the ears

Featuring a thick stack of energy-efficient PWRRUN PB foam

while the adjustable midfoot strap ensures a locked-in fit

softer landings for an effortless running experience

Women's Classic Thermal Merino Base Layer Crew SIZE:XL or exploring beyond the courseIntroducing the upgraded Smartwool Women's Classic Thermal Merino Base Layer Crew. Crafted from 100% Merino wool, this fan favorite now features refreshed colors and an improved fit for enhanced performance and style. The new shoulder panels eliminate top shoulder seams, while the flatlock seam construction minimizes chafing. Add this top rated base layer to your winter gear and feel the difference during your next skiing, hiking, climbing, or biking