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. Features Open mesh body for optimal moisture wicking and airflow Sleeves with aero trip ribbing for maximal aerodynamic gain Weight:152 g Temperature:18°C - 35°C / 64°F - 95°F Race fit
