Castelli Core Seamless Base Layer LS

The Castelli Core Seamless Long Sleeve Base Layer is outstandingly comfortable and shockingly warm for its lightweight. The combination of polyester and polypropylene yarns is warm and feels super soft against skin. The fibrous construction circulates air to evaporate sweat which helps you maintain a healthy performance body temperature. The neck opening is wide making it fit better under cycling jerseys. The Castelli long sleeve base layer will maintain your comfort by keeping you warm and dry in cool conditions whether you are racing cyclocross or putting in winter endurance miles.