Durable Quality: The replacement insoles are made of PU, which can be used for a long time. Please be sure to check your shoe size carefully before purchasing（If the insole is too large, can trim the edges） Sports Insoles: Available in adjustable sizes to fit all everyday footwear such as walking or casual hiking shoes, work shoes and boots Comfortable Design:Our insoles are designed with ergonomic arch support to reduce the load on your feet and provide a lighter fit Arch Support Insole:The insole conforms to the curve of the sole surface of the foot, balancing the force structure of the foot and correcting abnormal walking patterns in men and women. Arch support insoles can relieve heel or metatarsal pain caused by plantar fasciitis After-sale Service:We are so confident in our insoles that we will replace them for free if they would ever break! Just leave us message and let us know the situation