# Scratch M5 140 Nack Saddle
The Scratch M5 is a part of the latest line of saddles incorporating advanced 4.0 technologies, bringing innovation in size, shape, and ergonomics. These saddles are versatile and suitable for various cycling disciplines.
**Key Features:**
- **Design:** The "T SHAPE" design, along with size and ergonomics, caters to both men and women cyclists. With dimensions of 250 x 140mm, it provides a versatile platform.
- **MSS Multi Section System:** Co-developed with the Politecnico of Milano, this seating system enhances comfort and performance. The active foam is strategically separated into 5 zones, promoting the natural movement of the pedaling motion and absorbing vibrations from the carbon fiber body.
- **Round Shape:** The round shape of the M5 provides stability and support for the lumbar areas, distributing pressures over a larger surface for improved comfort.
- **Weight:** The Nack version weighs in at 155g, ensuring a lightweight design without compromising on performance.
The Scratch M5 140 Nack saddle is a testament to Prologo's commitment to advanced saddle technologies, offering cyclists a reliable and lightweight choice for their riding needs.