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 brand hook and loop closures allow for easy access?; Convenient vertical map pockets with velcro brand hook and loop closure provide storage for important documents?; Lycra stretch side panel leads into shoulder for ultimate mobility; Updated sleeve fit is more professional and slightly slimmer in bicep (-1/2in); 5.8 oz. 65/35 Poly/Cotton Mini Rip-Stop Stretch Fabric