The SMC is the Ergon MTB Comfort Series, the comfort solution for stubborn seating problems for mountain bike riders.Comfort and dynamic response as an unbeatable combination: The SMC Men Sport Gel delivers optimum flow on the trail. An extra-thick orthopedic foam and anatomic gel pads reduce pressure points when seated while the men's specific relief channel prevents soft-tissue numbness and pain. You're comfortable in every position and ready to put the pedal to the metal. Leave saddle discomfort in the dust and enjoy the trails with the SMC Men Sport Gel!Techical specifications:- Name: SMC Sport Gel men.- Use: MTB-Touring.- Size: S/M - M/L.- Shell: Nylon Composite.- Rail: CroMo.- Cover: Microfiber.- Padding: Orthopedic Comfort Foam with Gel pads.- Gender: Men specific.SIZES:S/M: 149 x 273 mmM/L: 164 x 276 mm