Our SFI CarbonX shirt is the entire package; fire resistant, comfortable and cool! Don’t let the sleeves fool you — this is our number one talked about and loved cool suit shirt by all level of drivers, especially pros. With over 50 feet of medical grade capillary tubing on the front, back and shoulders, this cool suit shirt will help maintain body temperature, fluid retention and overall focus. Our HANS compatible shirt design provides more tubing than any other manufacturer on the market. All of our cool suits connect to our air and water coolers through quick release medical grade connectors.