Bolero Short Sleeve Base Layer

Castelli Bolero Short Sleeve Base Layer Castelli Bolero Short Sleeve Base Layer designed to maximize your aerodynamic gains with Aero sleeves, crafted to complement the Castelli Aero 7 Jersey and San Remo BTW Speedsuit. Drawing inspiration from the sleek lines observed on the arms of professional riders during time trials, these Bolero sleeves boast aerodynamic ribs that generate trip strips, elevating the speed of the Aero Jerseys and San Remo Speedsuits to new heights.