Sixs - Short Sleeve Round Neck Superlight Carbon Underwear JerseyShort 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. Unlike the sleeveless jersey, the sleeve hugs the upper part of the arm (armpit) which is subject to copious perspiration, to keep the skin