Description Nylon ripstop backpack with primary and secondary compartments, padded laptop sleeve with velcro strap, interior zippered pocket, side water bottle pockets, zippered side entry access, front panel pocket for footwear, padded back, adjustable padded shoulder straps with chest strap, waterproof zippers, adjustable compression straps, and printed reflective logos. Fabrication 100% nylon Size Chart Approx 20.5" x 12.6" x 6.7"