The ISM PS 1.0 is a new option from the innovative saddle maker for performance and recreational cyclists that want to ride in total comfort. It features their signature nose-less design with two contoured front arms to relieve pressure encourage blood flow and prevent numbness while an upward slope at the back of the saddle helps support riders hips when riding in an aero or aggressive road position. This 1.0 model features slightly less padding under its synthetic leather cover than the 1.1 model for a firmer feel. Stainless rails. 245 mm x 130 mm.