Waterproof/breathable (10K/10K) 4-way stretch chassis; 100% Polyester with bonded mesh liner and taped seams; Gunvent sidearm access zippers and ventilation; Fourstack rifle magazine pocketing; Reinforced forearm overlays; Pit zippers and perforated rear yoke for increased venting; Loop panel for securing holsters and EDC; Adjustable hook and loop cuff closure; Two interior cargo pockets; U.S. Veteran designed and developed