STURDY ARCH SUPPORT - High-density and robust EVA high arch provides perfect arch support and reduces pressure on the heel. The arch support insole has extra gel material on the bottom of the heel to provide extra cushioning and shock absorption for your heel. It helps to relieve plantar fasciitis, flat feet, over-pronation or arch and heel pain.CORRECT OVER-PRONATION - Do you suffer from over-pronation of the foot? Our orthotic insoles with structured deep heel cups provide the perfect wrapping to stabilise your foot in the correct position and align your body to normal alignment. By improving and correcting your walking posture, you will have a healthier body.SCIENTIFIC DESIGN - Ergonomically designed to easily fit your arch and provide effective arch support. Three points of simultaneous pressure distribute the pressure evenly across the bottom of the foot, allowing for more even pressure on the foot and reducing foot fatigue.FITS MOST SHOES - The lightweight design allows the 3/4 orthotic insoles to fit most shoes. The breathable velvet material on the top layer makes you feel comfortable when standing on these insoles. DR. POTTER+ orthotic insoles have a sticky gel material on the bottom of the heel that these orthotic insoles do not slide around in your shoes. So they are perfect for sneakers, loafers, dress shoes, canvas shoes, running shoes, work shoes and boots.LIFETIME WARRANTY - We do not suggest customer return opened products to Amazon warehouse in case used products being resold to other customers. If you are not satisfied with the purchase, contact us with your order ID and tell us how would you like us to help. We will be more than pleased to offer the best after-sale service. DR. POTTER+ 3/4 Orthotic Insoles, Shoe Inserts for Plantar Fasciitis Relief, High Arch Support Inserts for Flat Feet, Over-Pronation and Heel Pain.