The MidwayUSA Men's Ambush Short Sleeve T-Shirt is a lightweight polyester and spandex blend combined with an athletic cut to create the ultimate in performance hunting shirts. Stay cool and undetected with the Ambush line of shirts, available only at MidwayUSA.FeaturesUPF 30+92% Polyester/ 8% SpandexLightweight DesignAthletic CutSILVADUR(TM) technologyTagless T-Shirt for Additional ComfortSILVADUR(TM) is a registered trademark of International Flavors & Fragrances Inc. or its affiliates