Pearl Izumi Men's Elite Inrcool Short Fall/Winter 2012 Body: 80% nylon 12% elastane 8% polyester/ UPF 50+Technology: coldblack Weight: 258 g/m2Mesh: 80% polyester 20% elastaneBlack Lower Panels: 80% nylon 12% elastane 8% polyester/ UPF 50+Red You will love it!