Features 1. 4D circulation and ventilation technology: The siphon effect produced by the 4D grooves and the air holes drives the rapid diffusion of moisture on the surface of the foot skin. 2. High elastic shock absorption for sports: The high elastic shock absorption PU outsole can effectively protect the ankles during exercise, relieve the impact of the feet and enjoy the feeling of riding the wind in sports. 3. Relieve fatigue: The raised dots and acupoint massage can massage the soles of the feet anytime and anywhere to relieve foot fatigue. 4. Thickened arch support: fit the arch of the foot, do not give the arch during exercise, sufficient support, and you will not feel tired when standing for a long time. 5. Three-dimensional U heel protection: 3D three-dimensional U heel cup fits the foot shape, stabilizes the heel, and disperses the pressure on the sole of the foot during exercise. Specification Material: tpu Insole size: 35-36, 37-38, 39-40, 41-42, 43-44, 45-46 Color: Orange, Grey Size: 30 x 12 x 2 cm Weight: 90 g Package Include: Sports Insoles