Features: Men and women of Multi-layer PVC inlay suitable material. Anti-friction neoprene sleeve holes. Within the separate front pocket, mesh drainage bags, 3D non-slip belt, you can freely adjust the straps. Within the loading capacity of 300 kg striped shoulder strap. With a chest harness. Shelter-style quick detachable buckles. Shoulders, front and rear at both characteristics. Type ring tied to the rear. Material: DuPont Cordura500D wear fabrics, buoyancy PVC material.