Bolero Aero Sleeve |Castelli|Soudal Quick-Step UNO-X24 water-resistant panels and thermal comfort

water-resistant panels and thermal comfort built in

The snap-in hinges will pop out under impact

while the trailing edge helps guide airflow away from the shoulders

Worn by the riders off the bike

Built with exclusive

Bolero Aero Sleeve |Castelli|Soudal Quick-Step UNO-X24 water-resistant panels and thermal comfortCastelli Bolero Aero Sleeves The Castelli Bolero Aero Sleeves are designed to deliver measurable aerodynamic gains for time trials and high speed racing. Often seen on professional riders in major races, these sleeves are engineered to reduce drag and improve efficiency when every watt counts. The distinctive ribbed fabric creates aerodynamic trip strips that help manage airflow around the arms, smoothing turbulence and improving aerodynamic