1. Widened wings on the side to protect against friction injuries on the outer side of the calf when sliding sideways;
2. Put on and take off in three seconds, and durable;
3. Does not fall off, double-layer sticker, suitable for different figures;
4. Unrestricted activities, independent joint modules, coping with various riding postures;
5. Thickened joints, reinforced PP joint protective shell, to deal with various collisions;
6. Reflective design at night, safe and individual;
7. Comfortable cushioning lining, strong rivet design, protective shell, and sticker vents.