ISM PN 4.0 Narrow Road Bike Seat Professionally Designed Noseless for All Serious Cyclists Saddle Built Racing with Optimal Leg Clearnace and Numbness Elimination

OPTIMIZE BLOOD FLOW - ISM's revolutionary and patented bike seat noseless profile featured on our PN 4.0 road bicycle seat was expertly engineered to alleviate soft tissue pressure, promoting optimal blood flow while reducing genital numbness for a more comfortable ride AUTO-RACING INSPIRED - The PN 4.0 anatomic relief bicycle saddle features an auto-racing inspired air vent chassis for improved aerodynamics UNRIVALED PERFORMANCE - Like the PN 3.0, this noseless bicycle seat features an ergonomic tapered front providing superb thigh and hamstring clearance. We've also included our 30-Series foam padding, providing an additional layer of comfort RACE ACROSS MULTIPLE TERRAINS - By adding 5mm to the rear of our popular PN 3.0 comfort bike seat model, the PN 4.0 profile accommodates a much wider array of pelvic/body positions, making this anatomic bicycle saddle incredibly versatile SADDLE SPECS - Part of ISM's Performance Narrow line, this no nose bike saddle measures 255mm long and 125mm wide and is crafted with our durable and proprietary Stainless Steel alloy rails