Castelli 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.