Craft Sportswear Women's Zero Extreme Wicking Athletic Skiing/Cycling/Bike/Training Long Sleeve Base Layer Crew: cooling/protection/ventilation/outdoor/sport/warm, White, Medium 100% polyester; Machine wash and dry,no bleach Seamless torso, ergonomic fit flatlock seams that follow body movement soft and breathable crewneck Lithuania Craft is the official apparel and footwear sponsor of Spartan Race