Shock Doctor Footbeds * Combines state-of-the-art shock absorbing and biomechanical design features which stabilize and support the foot in a natural position This unique design improves power and enhances feel in the dynamic action of skating * AIR/FX anti-microbial top cover provides advanced moisture management keeping the feet dryer and warmer * AIR/FX top cover reduces friction reducing blisters Shockdome Technology * Shock absorbing contour in heel and mid-foot actively absorbs shock to reduce foot and leg fatigue * Toe Delta contour helps reduce toe torque-allows toes to relax and spread to create a more powerful stance * Footbed forms to foot shape with body heat or heat-fit systems Dual Density Cap * Two-layer EVA foam and composite Power Plate create a Dual Density Cap that surrounds the heel supports the arch and stabilizes the forefoot to enhance support and power * Select size according to your U.S skate size and then trim them to fit. No additional shipping charges when this item is ordered with your steel or sharpening order!