Vertx Men's Phantom LT Short Sleeve Shirt 65% POLYESTER/ 35% COTTON Imported Two small pencil pockets on left sleeve keeps writing instruments handy Vented back yoke on outside with mesh facing inside keeps wearers cool, dry and comfortable Faux buttons on pockets maintain a professional look while Velcro closures allow for easy access Convenient vertical map pockets with Velcro closure provide storage for important documents Lycra stretch side panel leads into shoulder for ultimate mobility