The days of bulky padded shorts and uncomfortable standard seats are gone! Deltas 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.