Castelli triathlon Sanremo BTW Speed Suit 2024

Fast made faster

This road speedsuit brings all the aero performance of a TT suit with the comfort, function, and moisture management needed for the road. Over a decade of development on the roads of the WorldTour and in the wind tunnel.


Features

  • CFD-based fabric placement and seam construction
  • Castelli engineered Air_O Stretch fabric for breathability, comfort and perfect fit
  • Engineered for aero efficiency at 30 to 55 km/h
  • Fabric optimized for aerodynamics and breathability
  • To be paired with Bolero SS base layer for added aero gains
  • Airflow shoulder construction
  • Elbow-length stretch sleeves with raw-cut edge
  • Reduced seaming on bottom for maximal aero gain
  • Progetto X2 Air Seamless seat pad
  • Contains bluesign® certified fabrics
  • Temperature: 15°C - 35°C / 59°F - 95°F
  • Breathability: 4/5
  • Lightness: 4/5


Technologies

Rosso Corsa

Rosso Corsa label is only applied to the highest-level products Castelli makes. Every thread and fiber, every curve and contour is obsessed about. Rosso Corsa represents a categorical breakthrough in cycling innovation and the meticulous craftsmanship you expect from Castelli’s performance-enhancing apparel.

Progetto X² Air Seamless

Constructed in two components, each dedicated to a specific purpose, that together create the most comfortable seat pad on the planet. Skin Care LayerSeamless, bacteriostatic layer made to adapt to the shape of your body and saddle without any folds in the fabric. Cushioning LayerSeamless Integrated Technology (S.I.T.) Perforated Viscous Comfort Zone.