- HexAir Technology is a breakthrough in saddle comfort featuring patent pending hexagonal, air pockets and specially treated outer layer to provide a non-stick surface - Easily stretches over most racing and touring saddles - Silicone with a hexagonal air pocket grid design is fully waterproof and UV resistant - Available in two sizes for racing and touring saddles - -01: Racing saddles, 5.5" wide; -02: Comfort/Touring saddles, 6.6" wide