1, double air-cushion design (2), make Flex better, wear more comfortable!

2, the materials used well, PU foam compressed closer together in the process, extend service life!

3. air cushion layer, height 4 cm, red layer of additional height 1 cm.

Materials 4.PU. width 7 cm ~ fit Hi shoes! The product is suitable for use in high and loose shoes, insoles itself has a high degree of. If your shoes are not loose and won't help high, think twice before you buy! Have any questions, please submit to this product, so as not to buy something that doesn't fit your shoes, thank you!