From the manufacturer's official website:

Model C617.

Features:

• Bib Body made with Thermo Textran; a waterproof, windproof, breathable, and stretchable fabric. 8 panel construction.
• Anatomical 3-layer ACS chamois Racing model.
• Reflective “Campagnolo” logo.
• Flat stitching.
• Stretchable reflective piping.

For more information, please visit this product's webpage.