Craft Sportswear Men&#39;s Active Wind Stopper Long Sleeve Base Layer Top 92% Polyester/ 8% ePTFE Made in US 100% polyester; Machine wash and dry, no bleach bodymapped wind protection at shoulders and across torso front lightweight elastic Gore Windstopper fabric protects your body in fair and windy conditions Canada Craft is the official apparel and footwear sponsor of Spartan Race