currex RunPRO Medium Arch Insoles currexSole RUNPRO Medium Arch Insoles are constructed with Medium Rebound PORON cushion to deliver outstanding performance cushioning during your initial foot contact. They are extremely lightweight and help reduce fatigue in the feet and calves. Youll feel extended comfort from triple layers for optimum moisture wicking and fewer blisters. These insoles are the recipient of the Plus X award for design, functionality and ergonomics. Ideal for neutral to overpronators.Deep heel cup provides a better in-shoe fit.PROPO+ material in the forefoot for a responsive ride.Decoupled heel offers reduced pronation.3D DAT made from silver Nylon 6 material provides a more natural shape for the foot. Sizing XS: Women 4 – 5½ / Men 2½ – 4.Small: Women 6 – 7½ / Men 4½ – 6.Medium: Women 8 – 9½ / Men 6½ – 8.Large: Women 10 – 11½ / Men 8½ – 10.Extra Large: Women 12 – 13½ / Men 10½ – 12.XXL: Women 14 – 15½ / Men 12½ – 14.