This product has been awarded the national invention patent, buy genuine lock JFT trademark. 3D three-dimensional flow airbags, 9 airbags for a group when pressurized The air between the sacs circulates rapidly creating an "anti-gravity" effect Evenly disperse the pressure the decompression feeling can reach more than 30%. The liberation of shoulders turn on the tress relief mode. The "anti-gravity" effect disperses the pressure evenly. The sense of decompression can reach more than 30%.The trademark of the shoulder strap is composed of reflective material. Reflective material based on the principle of reflect, can be used to illuminate the street lights. And the reflection of light to"light up" improve the safety of walking at night.
