The MidwayUSA Ambush Long Sleeve T-Shirt utilizes a lightweight polyester and spandex blend fabric combined with an athletic cut to create the ultimate in warm weather performance hunting shirts. The shirt is treated with SILVADUR(TM) technology to provide anti-odor protection, even between launderings. Stay cool and undetected with the Ambush line of shirts, available only at MidwayUSA.FeaturesUPF 30+92% Polyester/ 8% SpandexLightweight DesignAthletic CutSILVADUR(TM) technologyTagless for Additional Comfort SILVADUR(TM) is a registered trademark of International Flavors & Fragrances Inc. or its affiliates