Castelli Bolero Short Sleeve Baselayer Top - 2024

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Aero base layer for use with the Castelli Aero 7 Jersey for additional aero gains.

  • Open mesh body for optimal moisture wicking and airflow
  • Sleeves with aero trip ribbing for maximal aerodynamic gain

If you have a keen eye, you'll have noticed the lines running down the arms of pro riders when they race TTs. These aero ribs are the Castelli Bolero sleeves. The ribs create aerodynamic trip strips, making Castelli Aero Jerseys and San Remo Speedsuits even faster. Castelli has incorportaed this short sleeve version into a base layer for road racing. Not only will you be faster, but the open mesh of the base layer will keep you cool and dry.