High Sierra Loop Backpack Materials: Nylon Made of Mini-Hexagon Ripstop Nylon, Waffle Weave, and 600d PolyCanvas Product Dimensions: 19.5" H X 8.25" W X 14.5" L Multi-compartment design. Zippered media pocket with headphone port. Two side mesh water bottle pockets. Hanging accessory pocket. Organizer with zippered mesh pocket, pen pockets and removable key fob. S-shaped Vapel mesh shoulder straps with suspension system, cell phone pocket and integrated grab handle. Padded back panel and adjustable waist belt.