Granite Gear Voyageurs Backpack Fabric Repel weave Fabric with Taurolite Bottom Maximum Load Multi-Compartment Design Breathable Load Absorbing Shoulder Harness Ergonomic Raised Foam Back Panel with Lumbar Support Stretch Mesh Front Stash Pocket Dual Stretch Mesh Hydration Pockets Gear Tech Computer Sleeve fits most 17" Laptops Adjustable Compression Straps Multi Pocket Organizer 1725 cubic Inch 19.5"x12.25"x7.5"