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Memory foam is also called slow rebound sponge and inert sponge. Memory foam sponge, originally designed for NASA's space program, is a high-tech material. It was designed for astronauts to help relieve the pressure that astronauts take during takeoff and landing. Because of the unique pressure relief features of slow rebound sponges, slow rebound insoles allow your feet to rest in a natural pressure free position.

The insole made of high elastic foam material is more flexible and more comfortable than ordinary insoles on the market. The insole has the characteristics of high elasticity, recyclability, shock absorption, wear resistance and non-deformation. Due to the special material of the insole, it is comfortable to wear and has: 1. Good shock absorption. 2. Good breathability. 3. It is not easy to deform under overload conditions.