Patented Body Geometry design is lab-tested to ensure blood flow to sensitive arteries. Super-light, EVA padding for comfort and support on longer rides. FACT carbon fiber shell is flex-tuned for support and ride compliance. Ultra-light, strong, and oversized FACT carbon rails. Level 2 padding: Medium density foam for bike feel with additional cushioning. SWAT™-compatible mounts molded into the saddle base allow for sleek and integrated storage solutions. NOTE: Oversized 7x9mm carbon rails are not compatible with seatposts equipped with side-load clamp mechanisms for 7mm round rails.