Rainier 75 Multiday, Expedition pack Features: - 600D HDTEX polyester - Large capacity top loading main compartment - Heavy duty, #10 nylon coil zipper on lower opening - Torso adjustment and adjustable stabilizer straps - Scalloped side compression straps - Detachable Cell phone holder on shoulder straps - Padded back and shoulder straps with Air-Flow mesh and adjustable webbing Specifications: - Size: 4575 in3 (75 L)