JanSport Big Bear 63 Trail Series Backpack Per-Owned Color: See Photo (2-8 Actually Backpack for Sale) polyester Nylon lining 10" shoulder drop Plastic frame Ergonomic s-curve shoulder strapswith top-loading main compartment with compression hood Sliding harness adjustment and HDPE framesheet with mono 6061 tubular stays Mesh wet/dry pocket with daisy chain quick clip points Haul loop with dual zippered pockets and bungee compression with ice axe loop Capacity:3602.9 cu inch / 59.04 length, dimensions:28.5 inch height x 11.5 inch width x 10 inch diameter