Pearl Izumi Men's Elite Barrier WxB Pant, Black, X-Large Spring/Summer 2012 Body: 61% polyester 39% polyurethaneTechnology: TitaniumWeight: 124 g/m2 15,000mm waterproof / 15,000 g/m2/24-hour breathabilityLower Legs: 50% polyester 32% polyurethane 18% nylon You will love it!