Spenco 3/4 Length Orthotic Arch Supports SPENCO RX Orthotic Arch Supports Firm customizable support for casual and athletic shoes. Helps control, stabilize and balance the foot. Heat moldable for a custom fit. Spenco Material absorbs shock and reduces friction to improve overall foot comfort. Seven sizes fit Men's 6-15 and Women's 3-12. SPENCO Orthotic 3/4-Length Arch Supports are 100% support utilizing a 3/4 length, finally putting arch support in its place with the SPENCO unique cushioning system! This flexible arch support is shaped to enhance your stabilization, balance and support, while allowing extra room for sensitive toes. The unique cushioning system of closed-cell, nitrogen-injected material helps absorb shock and improve overall foot comfort. Feel the difference of Orthotic Arch Support! Specialized Features & Benefits of Spenco Orthotic 3/4-Length Arch Supports RX: * The moldable plastic arch support insert gives you firm, adjustable support that's specifically designed to help control the position of your feet. * The Nitrogen-injected Spenco material absorbs shock and distributes pressure evenly. * The 3/4-length leaves extra room for sensitive toes. * The 4-way stretch fabric helps reduce friction that leads to calluses and blisters. * For normal and flat / flexible foot types. * Recommended for shoes with removable insoles. * Material Content: nitrogen-injected Spenco material, nylon, plastic. Whether you need extra arch support to help treat Plantar Fasciitis or just some extra cushioning to help relieve a Heel Spur, SPENCO Insoles have the highest quality products to help keep you comfortable and on your feet. Most importantly this insole line, which includes the Orthotics RX and ThinSole Orthotics RX, is our most popular among our customers, proving that these insoles provide the needed arch support that everyone find more comfortable.