Granite Gear Jackfish Backpack Nylon Ergonomic MaxLoad multi-compartment design Dual stretch mesh hydration pockets Gear tech computer sleeve fits most 17 laptops Dimensions: 20.5x13.25x7 Volume: 2320 cuin / 38 L Repelaweave Fabric with Taurpalite Bottom for Maximum Protection Against Elements Ergonomic MaxLoad Multi-Compartment Design Alternative Top Loading Main Compartment Barrier Zipper Tricot Lined Pocket for Valuables Breathable Load Absorbing Shoulder Harness with Load-Lifter Straps Load Stabilizing Sternum Strap Hide-Away Load Bearing Waist Belt with Quick Access Pocket Ergonomic, Breathable, Load Absorbing Back Panel with Lumbar Support Stretch Mesh Front Pocket Dedicated Gear Tech Computer Sleeve fits most 17 Laptops Dual Stretch Mesh Hydration Pockets Multi Pocket Organizer Bottom Stash Straps Adjustable Compression Straps Hydration Ready PortCOLOR 20.5x13.25x7 CUB. VOL. 2320 -- 38 LITERS