Rio Grande Pack , 75 L 32"X17"X8.5" , Large main zippered compartment with full coverage storm flap , 2 side zippered pouches , padded back with built in ventilation channels , padded hip belt , fully adjustable shoulder straps , modular attachment points on storm flap , heavy duty zippers with pull tabs , carabineer clips , full length bottom compression straps for securing gear ie. sleeping bag , pad, etc..