Castelli Endurance 4 Bib Shorts Built with Endurance Evolution fabric, the Castelli Endurance 4 Bib Shorts provide optimal muscle support while ensuring you stay drier in a wide range of conditions. The anatomic cut delivers a perfect on-bike fit, allowing the shorts to move seamlessly with your body as you ride. To help regulate temperature on long climbs or warm days, the mesh bib straps and back panel increase breathability and keep heat build-up to a minimum. For unmatched long-ride comfort, the Endurance 4 Bibs feature finishing touches like the GIRO3 leg grippers, which lie flat and...