FUNCTIONALITY: POSKLA Sturdy Arch Support - A pair of full length orthotic inserts, features with up to 30mm high arch and firm EVA material, which absorb the impact of each step during exercise or walking and evenly distributes foot pressure and reduces fatigue. Thus, the flat feet shoe insoles are suitable for those who are suffering from flat feet, high arch and fallen arch, etc. COMFORTABLE TO WEAR: Features heel pad for increased shock absorption and energy return through heel strike phase. Made of genuine leather, The perforation and breathable surface design of the insoles can absorb sweat quickly, effectively reduce heat and friction, so that feet are kept dry and free of odors. The functional latex foam layer on the insole edge ensures the daily comfort experience. COMFORTABLE TO WEAR: Features heel pad for increased shock absorption and energy return through heel strike phase. Made of genuine leather, The perforation and breathable surface design of the insoles can absorb sweat quickly, effectively reduce heat and friction, so that feet are kept dry and free of odors. The functional latex foam layer on the insole edge ensures the daily comfort experience. FIT FOR MOST SHOES : Designed for both men and women and fit's almost all shoe types. Sports shoes, casual shoes, formal shoes, work shoes, dance shoes and boots,Replace your insoles every 4-8 months to promote healthy feet . Plantar Fasciitis Arch Support Insoles with Metatarsal Pad Heel Cushion,Full Length Shoe Inserts for Men and Women - Orthotic Inserts - Flat Feet Heel Spur Pain Relief Shoe Inserts