RECOMMENDED FOR: Narrow Feet Plantar Fasciitis High Instep Arch Pain Flat Feet Flat Feet Hammer Toes Bunions Heel Pain Wide Feet Ball of Foot Pain The Aetrex Orthotic System is Built-In to every pair: Arch support helps to stabilize and align feet Arch support helps to relieve common foot pain & plantar fasciitis UltraSky™ to cushion and provide superior comfort Contoured rearfoot to cradle your heel and relieve pressure Support pod to help relieve forefoot pressure Details: Adjustability: Hook and loop closures Material: Lightweight UltraSky™ for comfort and durability Removable Insole: None Heel Height: 1.1" Extreme cushioning and shock absorption to help prevent injury and provide unmatched support Water-friendly construction, so light they float