Endurance-level comfort for every ride with Castelli's most comfortable seat pad.

• Endurance Evolution fabric provides optimum muscle support and feels drier in nearly all conditions
• Anatomic cut for perfect on-bike fit
• Bib straps can cross in front or back and are extra elastic, allowing short to be pulled down for pee stops without removing bibs
• Women’s-specific Progetto X2 Air Donna seamless seat pad for even greater comfort and improved airflow
• GIRO3 leg grippers lie flat