Hi-Tech Dual Density construction * Washable Lycra surface material * Reduces road shock * Minimizes fatigue in shoulders, arms, neck and forearms * Almost indestructible * Will retain their soft and cushy feel for years to come * Available in different styles to fit all aerobars * Attaches to manufacturer arm rest with existing hook VELCRO * If needed, additional Cee Gees Aerobar Pads Hook VELCRO is available.