Brooks C15 Cambium Carved Saddle - BlackNaturally Flexible Rubber Brooks Cambium saddles are made from flexible natural rubber, harvested from trees. All surface absorption Designed to absorb shocks and smooth out the ride. Continuously comfortable Provides natural comfort for the duration of the ride in all conditions, over all terrain, performing consistently over time and through constant use. FEATURES Vulcanised Natural Rubber Saddle Top Flexible and Robust Touring Surface UV + Abrasion