Castelli

Sanremo S Tri Speed Suit - Men's

What Our Gearhead® Experts Are Saying:

"This suit is designed to save watts and keep me comfortable during high-speed efforts. The Aero-optimized fabric and bonded sleeve endings minimize drag, while the Progetto X2 Air chamois keeps me supported for hours on the bike."

When every watt counts, the Sanremo S Speed Suit delivers an edge you can feel. Designed for speed and engineered with Castelli’s advanced aerodynamic technologies, this suit cuts through the air with CFD-based fabric placement and seam construction that reduces drag by up to 6%. Its bonded sleeve endings and lightweight materials ensure second-skin comfort, so we can stay focused on the finish line.

The suit’s thoughtful design doesn’t sacrifice functionality for speed. The Forza 2 Stretch fabric combines breathability and aerodynamics, while silicone leg grippers keep the suit in place through sprints and climbs alike. Equipped with Castelli’s Progetto X2 Air chamois, the suit offers superior comfort and support, even on long-haul efforts. This minimalist race suit is our trusted partner for high-performance riding and racing.