There's a place for everything you need in this iconic all-utility pack. Features 600D polyester, 1200D polyester, 450D x 300D heather polyester, 600D geo emboss polyester, FlexVent™ suspension system, floating padded laptop sleeve, interior organization with a secure zippered pocket Velcro™ pocket and pen pockets. Includes two mesh water bottle pockets, comfortable padded top haul handle, and sternum strap with whistle buckle. Laptop sleeve: 11.75 h x 12.25 d. 19.3" H x 12.25" W x 7.5" D