Features of the Granite Gear Hikester Backpack Repelaweave Fabric with Taurpalite Bottom for Maximum Protection Against Elements Ergonomic Raised Foam Back Panel with Lumbar Support Breathable, Load Absorbing Shoulder Harness Load Stabilizing Sternum Straps Hide-Away Load Bearing Waist Belt Ergonomic MaxLoad Multi-compartment Design Gear-Tec Tricot-Lined Padded Computer Compartment Fits Most 17in. Laptops Barrier Zipper Tricot-Lined Pocket for Valuables Multi Pocket Organizer Adjustable Compression Straps Dual Stretch Mesh Hydration Pockets Lash Straps for Easy Attachment Fabric Details: Repealweave / Taurpalite