1. Strong loading and storage capacity, ample space in the main compartment of the backpack and perfect pocket design, enough to meet a variety of travel needs. Multiple zipper pockets make it extremely convenient for you to take and put things. 2. The pressure-reducing breathable shoulder strap is comfortable and not sultry. Through the tested backpack system, the combination of comfortable elastic foam and the outer layer makes the backpack comfortable and durable. Ergonomic design, scientific load-bearing by cutting and pasting shoulders, without increasing the burden on the spine, has the effect of ventilation, decompression and earthquake resistance, so that you can experience comfortable carrying. 3. Three-layer protective padded breathable pearl cotton shoulder strap, the inside of the shoulder strap is made of honeycomb sponge, which is not tight to the shoulder; Take it easy and relieve shoulder fatigue. 4. Water-repellent Oxford cloth is light and wear-resistant, and it is made of water-repellent fabric, which is rain-proof, penetration-resistant, scratch-resistant and wear-resistant, making the backpack more durable; 5. reflective design for safe travel, and reflective strip design in front to protect the safety of travel at night.