Skip to content
1-877-242-4888 |
1-877-242-4888 |


Save 36% Save 36%
Original price $139.95
Original price $139.95 - Original price $139.95
Original price $139.95
Current price $89.95
$89.95 - $89.95
Current price $89.95
Winter doesn't always mean getting bundled up and braving the weather just for a bike ride. For some of us, it means hopping on the trainer and getting ready to sweat. Fortunately, the Castelli Insider Bib shorts were made for just such an occasion.


Specifically designed for indoor training sessions, the Inside bib shorts are made from Castelli's 80% polyester "Inferno" fabric, for maximum sweat-wicking properties to help avoid getting wetted out. Minimalized bibs and the mesh Giro Air leg endings breathe easier and help keep you cool. The lighter KISS Air2 seatpad offers just enough padding and coverage, and the nylon/elastane panel in the seat area offers extra durability.


Castelli's top end Progetto X2 Air pad gets upgraded this year, with a new skincare layer that features a softer surface, and more stretch to eliminate the front triangle. Raw leg ends with vertical silicone grippers means nothing's unnecessarily squeezing your legs, and the shorts stay perfectly in place. Castelli loves details, and these shorts are no different. Silicone logos stretch with the fabric, and placement pays tribute to the original Castelli Aero Short from the late 70's.
  • Inferno fabric to wick moisture off your skin
  • Anatomic cut fits just right
  • Nylon/elastane panel at saddle contact area for extra durability
  • Minimalist mesh bib straps
  • Pro pocket on back of bibs
  • KISS Air2 seat pad gives excellent padding with reduced overall coverage
  • Giro Air mesh leg endings to keep you cool