1. Hot pressing process, uniform density, good flexibility, not easy to leakage 2. Flexible and foldable, not easy to break, TPU transparent thin layer, dispersing the pressure on the foot 3. Release the pressure on the foot, increase the pressure point, protect the sole of the foot 4. Improve foot comfort and shock absorption, form a balanced tension and air pressure to adjust each other and ease the impact 5. Applicable gender: men and women can 6. Material: TPU
