Designed with a foot arch that fits and moulds to the foot and is evenly stressed, making walking in shoes much more comfortable. Heel pad design, decompression and cushioning protects the heel Outer Material: Leather The insole has 2 layers of Leather the top layer of Leather is smooth and its texture is soft. the bottom layer is made of a latex Sponge which has strong shock absorption properties. the insoles are slim enough to be worn in shoes where exsisting insoles cannot be removed. Flexible arch that supports and cups the feet for extra comfort