Sleeve Material: 50% Nylon / 50% Cotton Rip-Stop Material. Chest & Back Material: 60% Cotton / 40% Acrylic Material. Melting Point: 230 Degrees Fahrenheit. Lightweight And Breathable Material. Resists Melting & Dripping. Moisture Wicking. Zipper Closure Storage Sleeve Pocket For Accessories And Gear. Mock Turtle Neck. Anti Abrasion Padded Elbow Patches. Gusseted Sleeves. Glint Tape Holder For IR (Infra-Red) Tape. Loop On Sleeve Pockets For Attaching Name, Rank & Flag Patches