Smartwool Classic Thermal Merino Base Layer Bottom – Women's Color:Black Merino wool in the fabric

Merino wool in the fabric blend means natural odor resistance and temperature regulation without the bulk

Convertible earflaps with hook-and-loop closure adjust on the fly without removing gloves

available in Blue Night and Beluga in sizes S through XXL

so your hands stay warm and dry without overheating

A supportive upper with a secure midfoot fit keeps every run confident and comfortable

Smartwool Classic Thermal Merino Base Layer Bottom – Women's Color:Black Merino wool in the fabricBuilt for cold weather output on the trail or in camp, this merino base layer bottom is our pick for plus size athletes who need warmth that actually moves with them. Thermal interlock merino wool regulates temperature and wicks moisture without synthetic cling, so you stay dry whether you're pushing hard or standing still. Flatlock seams and a plus specific cut mean no bunching, no chafing, and real coverage where it matters. Thermal weight merino