This Mocean Service Shirt is designed for fast action in demanding police bicycling environments. Just the thing for riding in the hot sun, even over well-baked open pavement. Breathable. High-mobility. No hassle, all comfort! Mocean Model 0255 Velocity Long Sleeve Shirt DuPont Supplex nylon with Teflon HT shell, Coolmax mesh cape, and Flex Vent Mesh vents Anatomically sculpted with oversized chest to accommodate body armor Asymmetrical Arm Eyes enhance range of motion and keep shirt tucked in Vented under arms and under cape Long sleeve with button vent cuffs, 2-button closures, and telescoping pleats Front placket with 6 buttons, available with optional concealed zipper closure 2 pleated chest pockets with scalloped flaps, hook-and-loop closures, false buttons, and left pocket pen port