Naturehike Outdoor Backpack Climbing Backpack Sport Bag Camping Backpack(Light Blue) 1. LIGHTWEIGHT straps design,much more comfortable. 2. UNIQUE HELMET NET is a good helper for outdoor cycling. 3. INTEGRATED BREATHABLE MESH PAD in the back, breathable and not muggy. 4. WATERPROOF NYLON FABRIC prevents the backpack inside from being wet. 5. SMALL FRONT POCKET is very practical, suitable for storing small articles such as mobile phone.