FeaturesU-shaped Heel CupCollect a large amount of human foot shape data and combine the principles of ergonomics and biomechanics to make the insoles dynamically fit your foot, protect the ankle joints and make exercise more comfortable.Extra Soft SurfaceThe extra soft topcloth + comfy TPE Gel makes this the best insoles for standing all day.Shock Absorbing Anti-slip GelThese most comfortable insoles uses top-quality gel that is safe, non-toxic, and has shock absorption and cushioning functions to reduce fatigue caused by standing or exercising for a long time.Cut to your sizeEach pair of insoles has a size mark that can be cut, you could freely define new insoles that fit your shoes.Multiple Application ScenariosThese comfy insoles are best for work shoes, but can also used for sports like running, hiking & other sports.