New T-shape base in a wider 147mm design with additional padding for better overall control and comfort Scratch M5 uses 4.0 technologies; innovative in terms of size, shape and ergonomics, they are suitable for multiple uses from road and off-road to Triathlon The Round Shape of the M5 allows the pelvis a natural rotation, creating stability and support for the lumbar areas and distributes pressure over a greater area MSS Multi Section System - This technology provides three different individual zones mapped and separated along the saddle, each composed of different interactive foams and single-cell padding Tirox model features an aerospace light Ti-Alloy rail that provides a balance of weight and strength PAS - features a channel in the seat to alleviate pressure and numbness in the pelvic region by promoting healthy perineal blood flow Specs: Use: Road/Off-Road Rail: Tirox Padding: MSS Color: Black Size (LxW): 250mmx147mm Weight: 175g Technology: PAS Gender: Unisex