The Ergon SC Core Prime bike saddle lets you blend in with your bike. Whether you're out on the town or on a day trip in the countryside, you'll ride this saddle in total comfort. You'll enjoy a ride like never before. Vibrations and shocks? Let it go, the ergonomic core absorbs everything! Lower back problems? The ergonomic core follows the natural movements of the pelvis and helps keep the lower back relaxed and moving. Perineal numbness? You can forget about that thanks to the relief channel designed separately for men and women. Just nothing but cool, so let's get on the bike. Name: SC Core Prime Purpose: City, Touring Size: M/L (seatbone distance 12-16 cm) Core: BASF Infinergy® (E-TPU / Closed Cell Particle Foam) Skeleton: Nylon Composite Scuff: Light FeC Steel Upper: Microfiber Padding: Orthopedic Comfort Foam