The SIXS Carbon Underwear® short sleeve round neck T-shirt is a multi-sport product that is suitable for all conditions. Unlike the sleeveless model, the sleeves wrap around the upper arm (armpit), which is subject to heavy perspiration, and keep the skin dry. The lightest and most breathable polypropylene fibre available on the market, combined with a genuine carbon yarn with heat transmission and antistatic properties that protect the body from electrical charges caused by the rubbing together of various synthetic materials (typical property of sportswear). Features Seamless technology Antistatic system