Our ultra-soft and breathable base layer top, a lightweight blend of bamboo and merino wool for lodge lounging or under ski wear. Features: Thermo-regulating merino wool and soft bamboo blend Slim-fit with a mock neck Designed for -30°F - 60°F temperature range Specs: 67% Bamboo viscose, 28% Merino Wool, 5% spandex Naturally breathable, insulating and thermoregulating Moisture-wicking Odor resistant Body-wrapping design lines Printed Logo