Bolero Aero Sleeve |Castelli|Soudal Quick-Step UNO-X24 while the trailing edge helps

while the trailing edge helps guide airflow away from the shoulders

Pro Team: Eolo Kometa / Italian National Team

The snap-in hinges will pop out under impact

this vest is designed to be packed away into your jersey pocket when the sun comes out

Bolero Aero Sleeve |Castelli|Soudal Quick-Step UNO-X24 while the trailing edge helpsCastelli 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