Athleta Ascent Collection Wool Blend Base-layer Sleeveless Tank Top Tank Top is Seamless with Pointelle Stitching down Front for Breathablity. Fabric is made From Nylon, Merino Wool and spandex Machine Wash, lay flat to Dry Medium Pit to pit 17" Length 23 1/2" Excellent Condition RSW Wool (Responsible Wool Standard), Thermal Warmth Base Layer, Ventilation, Breathable, Hikingg, cold weather, UV Protection, camisole