Thermal Underwear

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 more→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.  

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 more→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.  

Assos Superleger Short Sleeve Base Layer Designed for the hottest outdoor rides or the most intense indoor trainer sessions, the Assos Superleger Short Sleeve Base Layer features open weave mesh acro more→ss the back, arms and shoulders to rapidly wick sweat away from the rider. A second fabric with a slightly tighter weave across the stomach area grants extra coverage if the wearer has their jersey unzipped in warm outdoor riding conditions but still ensures excellent breathability. Both fabrics have antibacterial properties to eliminate bad odours, while the body-mapped cut fits perfectly when the riding position is adopted. A circular seamless construction is free of side seams to cancel the …

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 more→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.  

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 more→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.  

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 more→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.