Shasta 75 Multi-Day, Expedition Pack Features: - 600D HDTEX Diamond ripstop polyester, 600 HDTEX Polyester - Large capacity top loading main compartment - Hydration bladder pocket with dual hose outlet - Heavy duty, #10 nylon coil zipper on lower opening - Torso adjustment and adjustable stabilizer straps - Hide-away waterproof rain cover - Padded back and shoulder straps with Air-Flow mesh and adjustable webbing Specifications: - Size: 4575 in3 (75 L)