Hook On rack anchoring system, compatible with all types of rack. Made of a combination of materials that repel water. Front pocket with spaces to store the wallet, charger, smartphone or headphones, compartment for a water bottle and 2 side pockets. Interior space for a laptop of up to 16, iPad, smartphone, house keys and notebooks or folders. Waterproof rear Nordlicht LED light strip integrated into the backpack. It works with 2 AA batteries. Specific pocket on the shoulder strap to store a transport card.