MidwayUSA Men's Ambush Fishing Long Sleeve T-Shirt is a lightweight polyester and spandex blend combined with an athletic cut to create the ultimate in performance fishing shirt. The shirt is treated with SILVADUR technology to provide anti-odor protection, even between launderings. Stay cool and undetected with the Ambush line, available only at MidwayUSA.FeaturesUPF 50+Lightweight DesignAthletic CutSILVADUR technology92% Polyester 8% SpandexTagless T-Shirt for Additional ComfortSILVADUR is a registered trademark of International Flavors & Fragrances Inc. or its affiliates