1. Waterproof fabric: The bag fabric has a water-repellent design.

2. Water replenishment system: With its own water outlet, it can replenish water at any time to maintain physical strength.

3. Large area Velcro: convenient and practical.

4. KAM brand zipper: smooth and easy to use, no rust.

5. Side restraint belt: Four restraint belts are designed on the side, and the space can be adjusted at will.

6. KAM waist safety harness: reinforced plastic buckle, safety restraint, close to the body without shaking.

7. Humanized design: The shoulders can be adjusted at will, and the chest and waist are designed with safety buckles.