The PROLOGO Scratch M5 is the perfect saddle for various uses due to its design, size, and ergonomics. Its Nack frame is made of carbon and offers both strength and rigidity, making it lightweight yet durable. With a width of 140 millimeters, this unisex saddle accommodates 90% of bikers and is suitable for both men and women. Developed with the expertise of the University Politecnico di Milano, the MSS multi-sector system provides comfort and enhances performance through its active foams and 5 dedicated zones that support natural pedaling motion. The round shape of the SCRATCH M5 also adds stability and support for the lumbar spine while evenly distributing pressure. Its Nack Rail Nano carbon fiber frame, created through the Braided Carbon Rail (BCR) production process, combines carbon fibers, Kevlar, and aluminum threads for a balanced and strong structure. Additionally, the carbon fiber injection saddle shell, produced using a manufacturing process developed by Prologo