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. Nack models feature a Nano Carbon composite rail paired with reinforced seat clamp area for the perfect fusion of performance and reliability. PAS - features a channel in the seat to alleviate pressure and numbness in the pelvic region by promoting healthy perineal blood flow