Original Design - Patent-pending hexagonal air grid technology is bio-engineered and designed to provide optimum comfort and cushion for your sit bones. The days of bulky padded shorts are GONE! Maximum Comfort - Elevate your existing saddle. Enjoy longer rides and explore new ground on your bike. Take the long road home or match cadence with your favorite indoor cycling instructor. Easy Installation - Multiple sizes available. For narrow and low-profile saddles, choose Racing (up to 6” wide and 13” long). For thicker saddles measuring up to 8” wide and 12” long and for ALL exercise bikes, choose Touring. Not compatible with cruiser saddles. Construction - Revolutionary hexagonal air pockets support and flex to provided optimum comfort while protecting your existing saddle from the elements with waterproof and UV-resistant protection Quality Guaranteed - Available in two sizes, choose the fit best for your outdoor bike or indoor stationary exercise bike, proven to improve comfort on your existing seat. Your riding comfort satisfaction is guaranteed!