F: Elf series lightweight sneakers, exquisite and sweet style, three-dimensional love elements, dreamy and interesting, love bow shoelaces, easy to match and more colorful. A: Strong Velcro, 3D inner waist injection Velcro, 3 times stronger Velcro, double stability, can be used repeatedly up to 5000 times B: Elf 2.0 outsole is safer, more stable, more elastic, and safer: the forefoot is equipped with TPU with good support and stability, and the unique physical properties promote the effective transmission and feedback of energy. The energy rebound of the sole rebounds by about 50%, relieves foot fatigue, and promotes healthy development of the feet without getting tired after walking for a long time.