Tru-Spec Urban Force TRU 1/4 Zip Combat Shirt OD Green MR 2584004. 5 oz 65/35 poly cotton rip-stop sleeves drirelease fabric body MR Features/Specifications: zip front mandarin collar; zipper has cover hood for comfort Angled sleeve pockets with drain holes in bellows Underarm gusset to eliminate bulk and chafing Contoured torso shape for athletic fit Reinforced elbows with internal pockets for optional elbow pads Adjustable hook Loop cuff Mesh side panels for ventilation drirelease body has superior wicking and fast drying capabilities pull moisture and perspiration away from the skin for improved evaporation Dries 4x faster than cotton Regulates skin temperature providing a 7 degree cooler body than other fibers or treatments Natural feel with a touch of stretch Environmentally friendly FreshGuard antimicrobial treatment for a built-in natural odor neutralizer system to prevent bacteria growth drirelease treatment wont wash or wear out