TRU-SPEC Gen-III ECWCS Level-1 Long Sleeve Top - Men's Tan 499 Large Regular 2331005. This Tactical Shirt from TRU-SPEC is made with qa highly breathable moisture wicking 3.7oz. TRU-SPEC Performance Plus 100percent polyester plaited jersey knit that makes it great for the field. For a comfortable way to make sure you are prepared for anything choose the Tru Spec Level 1 ECWCS Gen3 Shirt. Specifications for Tru-Spec Tactical Thermal Shirt - ECWCS Level 1 Gen 3: Type: ECWCS Material: 3.7oz. TRU-SPEC Performance Plus 100percent polyester plaited jersey knit Features of Tru Spec Military ECWCS Gen III Tactical Shirt: Highly breathable moisture wicking 3.7oz. TRU-SPEC Performance Plus 100percent polyester plaited jersey knit Stretches for easy movement Thumb holes in sleeves for adding multiple layers Microban For anti-microbial and odor defense Flat locked construction Quick drying Extended Cold Weather System USA/Imported Package Contents: Tru-Spec Gen 3 LVL 1 Top TRU-SPEC 2331005: Gen-III ECWCS Level-1 Long Sleeve Top - Mens Tan 499 Large Regular