The Micropoly Karting Top is made from Coolmax material, the most advanced and innovative Dupont fiber. The underwear is also treated with X Cool Silver that draws heat from the body surface to cool the driver. To maximize sweat absorption and to guarantee comfort, even in the hottest conditions, this underwear must be worn tight on the body.
TO ENSURE AN ACCURATE FIT, use this chart to order your correct helmet size. Carefully measure around your head, above the ears. Take the measurement, in inches or centimeters, referring to the sizing chart below for your correct hat/helmet size. Helmet must fit properly for optimum performance. Don't guess your size. Helmet must be securely and snugly fastened before engaging in any activity.