Delta’s revolutionary hexAir Saddle Covers feature hexagonal air pocket grids that flex to provide optimum bike seat cushion for all riders. Super flexible stretchy silicone allows a secure comfortable ride. Flexible and stretchy hexAir bike seat covers simply fit over your existing saddle to provide a waterproof and UV resistant breakthrough in technology. No bulky hard gels or foam just revolutionary comfort.Patent-pending hexagonal air grid technology is bio-engineered and designed to provide optimum bike seat comfort and cushion for your sit bonesElevate 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 instructorThe flexible and stretchy polymer easily stretches to fit over your existing saddle adding comfort without the hassle of changing your seatRevolutionary hexagonal air pockets support and flex to provided optimum comfort while protecting your existing saddle from the elements with waterproof and UV-resistant protection