Designed with Adaptive Edge base & construction technology which allows the outer edge to conform to the riders body this ultra-light saddle has been tuned for an outstanding fit while the flat profile & thin padding are perfect for explosive efforts.> Patented Body Geometry design is lab tested to assure blood flow to sensitive arteries> Patent pending Invisible Edge construction provides a clean & streamlined shape> Stiff carbon reinforced shell with flexible Adaptive Edge technology adapts to your body for unmatched fit & all-day racing efficiency & comfort> Lightweight & durable hollow titanium rails> Tough light & water resistant Micromatrix cover> Size 130mm/ Weight 211g> Size 143mm/ Weight 222g> Size 155mm/ Weight 230g