Women's Smartwool Classic Thermal Merino Base Layer Bottom Plus Size:4XL They keep your feet locked-in

They keep your feet locked-in when you're switching directions and chasing down challenging shots

or space for a full length insole

and durability for rope climbs

European sizes

Women's Smartwool Classic Thermal Merino Base Layer Bottom Plus Size:4XL They keep your feet locked-inWhether you're working up a sweat or simply looking to stay warm and comfortable, our Women's Classic Thermal Merino Base Layer Bottom Plus is up for the challenge. 100% Merino wool fabric enhances comfort and breathability while staying odor resistant. The Flatlock seam construction is designed to minimize chafing, so you can stay as comfortable as possible, from exploring to chilling.