Castelli Endurance 4 Mens Bib Knicks
The Castelli Endurance 4 is a bib short built for comfort on long rides. It pairs a Progetto X2 Air Seamless seat pad with an anatomic, tailored cut so it sits right on the bike.
Supportive fabric helps manage moisture, and mesh bib straps and back panels keep air moving on warm days.
- Progetto X2 Air Seamless seat pad
- Anatomic, tailored cut with hip seams for an on-bike fit
- Fabric for muscle support and moisture management
- Mesh bib straps and back panels for airflow
- GIRO3 leg grippers that lie flat
- Temperature range: 15°C - 35°C





