Bolero Aero Base Layer | Castelli | Soudal Quick-Step| Pro Cycling Kit Size:S product-advert h2 { color: #333

product-advert h2 { color: #333

0 – Engineered for Unmatched Speed

360 degree visibility for unobstructed views and optimal field of vision

weatherproofing

- Uno-X Pro Cycling Team - Special Edition with European Champion arm bands

Bolero Aero Base Layer | Castelli | Soudal Quick-Step| Pro Cycling Kit Size:S product-advert h2 { color: #333Castelli Bolero Short Sleeve Turn Any Kit into an Aero Suit ($163 Value!) Free speed? Yes, please. The Castelli Bolero Short Sleeve gives you instant aerodynamic gains with no extra effort. Designed with aero trip ribbing for **maximum aerodynamic efficiency**, these sleeves are made to be worn **under your jersey** to smooth airflow and reduce drag. Used by **pro riders and time trialists**, they transform any jersey or skinsuit into a **performance