Smartwool Classic Thermal Merino Base Layer Bottom - Women&';s The Smartwool Classic Thermal Merino Base Layer Bottom is a warm women&';s base layer built for cold-weather adventures and everyday winter layering. Made from 100% Merino wool in a comfortable interlock knit, it naturally helps manage moisture, regulate temperature, and resist odors. The slim fit follows the contours of the body, while a mid-rise waist and Merino-lined elastic waistband provide a comfortable, secure feel. Flatlock seams help minimize chafing whether you&';re skiing, hiking, or spending a long day outside. Details Material: 100% Merino wool Fit: Slim fit designed to follow the contours of the body Fabric: Interlock knit for comfortable next-to-skin wear Performance: Merino wool naturally helps manage moisture, regulate temperature, and resist odors Waist: Mid-rise with a Merino-lined elastic waistband Seams: Flatlock seam construction helps increase comfort and minimize chafing Inseam: 30.5" (77.5 cm) in size Medium