Boyt Tactical Backpacks incorporate features, materials and construction detail tested and proven in more than a half-century of military and law enforcement use. Total storage of up to 2,800 cubic inches. Accommodates hydration system with hydration tube routing system and easy access pouch. Superior adjustable belt system. Internal zippered compartments for organization. Sturdy top carry/drag handle. Compression straps with super-duty buckles. Custom EVA-molded back panel and shoulder straps for comfort. Constructed of 1000-denier heavy-duty ballistic nylon. Military grade #10 YKK zippers with proprietary easy grip zipper pulls. Zipper guard. Adjustable shoulder strap harness for precise weight/tension ratio. PALS webbing. Non-slip rubberized bottom.