Pearl Izumi Veer Short (Large, White Solid) Fall/Winter 2012 Body: 46% polyester 45% nylon 9% spandex/ UPF 50+Mesh: 100% polyesterLiner: 80% polyester 20% elastane We improved on our top level mountain bike short by adding full ventilation in the front, upgrading it with the MTB 3D Chamois with removable liner and ultra comfortable waist adjustability.