Our arch support insoles are made of high quality TPR material, which have good toughness and good resilience, not easy to deform. Designed for your ankles a snug fit to prevent from slipping as you walk Half length insole is more flexible than the full-length insole. It doesn't need to be trimmed and fits the curve of your foot more perfectly. Insert design fits most feet, especially those who need stand for a long time at work These orthotic insoles designed with 12 anti?skid holes, which will not slip or shift after wearing. Can help maintain correct foot positioning, and protect your heel during the heavy impact of landing during walking or running and stabilizes the foot Arch support area fit the foot arc, heel wrapping area fix the insole position, massage area makes the sole of the foot comfortable when standing and walking, hollow design of the heel ensure adequate cushioning of the heel. Fits for all types of leisure or everyday footwear These corrective insoles can improve foot and leg alignment, enhance comfort, and help ease stress and pain caused by flat feet, plantar fasciitis, XO-Type leg, knee valgus, over pronation and foot pain, etc.