Worn on its own or as part of your layering system, this top will keep you warm and dry while on the move. Made from Smartwool's heaviest-weight merino, it's naturally quick drying, breathable and odor resistant. 26" length (size Medium) Asymmetrical quarter-zip closure; fold-over neck Long sleeves with raglan seaming eliminate chafing under pack straps Smooth flatlock seaming is designed to not rub or irritate 100% merino wool Machine wash, tumble dry Imported Women's Active & Swim