Our merino base layer top, a midweight blend of merino wool and bamboo to keep you warm from basecamp to backcountry. Features: Merino wool-bamboo blend Slim-fit with a mock neck Designed for -30°F to 32°F temperature range Specs: 48.3% Wool, 44.9% Bamboo Viscose, 4% Spandex, 2.8% Polyamide 270gsm Naturally breathable, insulating, thermoregulating, moisture-wicking, and odor resistant Women’s specific fit Ergonomic design lines Printed Logo