Part of Soudal Quick-Step's official team kit.the Castelli Bolero Short Sleeve Base Layer is a dual-purpose garment that will deliver aero gains and eject heat and sweat as you race, to keep you comfortable when your temperature soars.The short sleeves, made for use with Castelli's fast Aero 7.0 Jersey and Sanremo BTW Speed Suit, incorporate aero trip ribbing to disrupt the airflow under these garments and shave additional watts.Unlike the regular Bolero SS, which is made for Time Trial use only, this base layer also features a mesh body to promote cooling and keep you dry, making it perfect for use during any road race.Features:A race-fit garment to wear under your fastest kit for additional gainsShort sleeves with aero trip ribbing disrupt the airflowBody is open meshWeighs 88g (L)Made for a temperature range of 18-35°C