A base layer is one of the most essential items in a cyclist’s wardrobe, helping regulate body temperature and wick sweat away from your skin. The Thermodynamic Lite Sleeveless by Sportful sets a new benchmark in thermoregulation for cool weather.Made form Sportful’s ThermoDRYamic fabric, the base layer is super lightweight and breathable while providing superb body temperature regulation whatever the conditions. Ideal in the Spring and Autumn, but also for high intensity winter rides and pairing with other base layers for extra protection. Key Features Base Layer for thermoregulation in cold weather ,Sportful’s ThermoDRYamic fabric ,5°+ C.