Sixs - Long Sleeve Round Neck Superlight Carbon Underwear JerseyLong sleeve round neck SuperLight Carbon Underwear designed for the hot season, when suffocating heat and humidity give no respite. In these conditions a garment is required that allows the athlete to retain the right body temperature by taking sweat (and heat along with it) to the outside without absorbing it. The long sleeve hugs every part of the arm to keep the skin fresh and lies between the skin and a top garment. It also slightly protects