Ergon SR Allroad Core Saddle. Features: Tailored to the features of male anatomy and optimized for the requirements of road and gravel cycling Flat-top saddle with perfect pressure distribution in the sit bone region Deep and rearward increasing relief channel BASF Infinergy closed cell particle foam core and Orthopedic AirCell Foam padding absorbs road shock and reduces stress on lower back Engineered in Germany Specs: Model Shell Rails:SR Allroad Core Pro/carbon composite/TiNox Top:microfiber Color:stealth Ergon Size:S/M Weight:240g