1. Independent helmet compartment design, reflective strips at night 2. Lightweight, breathable and water-repellent material 3. Reasonable storage space design to facilitate the classification and placement of items 4. Water pipe inlet and outlet, replenish water at any time 5. Lightweight and breathable net on the back 6. Occasion: Mountaineering, hiking, traveling, etc. 7. Material: Nylon + Oxford 8. Capacity: 12L (mini tablet, keys, wallet, passport, power bank and other daily use) products 9. Size: 45x44cm 10. Weight: 450g
