The 5.11 Men's Marksman Long Sleeve Shirt was built to protect you from sun exposure. It has a UPF rating of 50+, is moisture wicking, and features mesh fabric underarm gussets, and has Vent-Tac properties for ventilation. Dual chest pockets with flaps and a sleeve pen pocket add to its versatility. Features:2.6-oz 100% polyester with moisture-wicking performance50UPF ratingButton front shirt with two piece collarUnderarm mesh gussets for breathabilityChest pockets with button flap closuresPen pocket on left sleeveAdjustable button sleeve cuffs and sleeve placketShaped shirt hem