High Sierra Ashpalt Backpack Fabric Adjustable protective lid withquick-release buckles. Premium organizer compartment with mesh pocket, pen pockets and key fob Large gusseted side mesh pocket holds a beverage or extra gear. Comfortable padded core back panel. Zippered accessory pocket on lid. Yoke-style, S-Shaped, VAPEL mesh paddedshoulder straps with Suspension System andintegrated media/cell phone pocket. Reflective piping accents and loop to hold a bike LED blinker. Materials: Shiny Waffle Weave, Shiny Mini-Waffle Weave Size: 19" x 13" x 8" Capacity: 1800 cubic-Inch Materials: Shiny Waffle Weave, Shiny Mini-Waffle Weave Size: 19" x 13" x 8" Capacity: 1800 cubic-Inch