Castelli Sanremo BTW Mens Speed Suit
The Sanremo BTW is Castelli's aero road speed suit for fast races and group rides where you are turning a big gear and chasing every watt. It was developed with CFD analysis and wind tunnel testing, and proven in the WorldTour.
Fully breathable, stretchy fabric keeps it comfortable while you ride at the limit.
- Aero speed suit developed with CFD and wind tunnel testing
- Fully breathable, stretchy fabric
- One-piece design for racing and fast group rides











