Merlin Atacama Base Layer Pants The Atacama Base Layer Pants from Merlin contain Australian Merino wool fibers which can absorb up to 35 of their own weight in moisture without feeling wet to the touch, keeping you warm and dry on the coldest of days. The Polyester blend provides durability and wicks moisture away from the skin, further helping regulate temperature. Topped off with an antibacterial and odor-free finish, the Atacama Base Layer Pants will have you feeling comfortable and warm all day long! Features: Australian Merino and polyester 200gsm single jersey blend Breathable Moisture wicking Temperature control thanks to moisture-wicking properties Flat-lock comfort seams Anti-bacterial and odor-free finish Elasticated waistband