As usual for Transporter series products, this Panel Loader backpack is made of a super tough fabric. It's also water repellent, so a light drizzle won't cause harm. A padded pocket for a computer and organizer pockets for smaller items make everyday use easy. - Made of a durable, TPU-coated 450 denier polyester - Document pocket on the inside - Organizer pocket - Front pocket - Main zipper opens up the pack for easy packing and unpacking - Key clip - Chest strap with emergency whistle - Detachable waist strap - Lashing point for LED - AirScape back panel - EVA harness