Granite Gear Portage Backpack Fabric Repel weave Fabric with Taurolite Bottom High Density Foam Shoulder Harness Fully Padded Back Panel Adjustable Compression Straps Reflective Adjustable Bungee Cord for Easy Stashing Dual Stretch Mesh Hydration Pockets Gear Tech Computer Sleeve fits most 15 5" Laptops Multi Pocket Organizer, 1850 cubic Inch, 19"x12"x7.25"