Sixs - STXL One-Piece Superlight Carbon Underwear UndersuitOne piece undersuit 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 result is a pleasant sensation of dryness and freshness on the skin provided by our SuperLight Carbon Underwear fabric (36% lighter than