This NOS Selle Italia FLITE Flow Saddle is a high-quality bicycle saddle featuring titanium rails and a cutaway saddle style. This seat offers comfort and performance during long rides. The saddle is made with a combination of synthetic materials and titanium, providing durability and a smooth light feel. All I know is what is marked on the package. This was purchased 10 years ago and had lived in a temperature controlled dark bin. Stated weight is 205g