The Micropoly karting underwear is made from Coolmax material, the most advanced and innovative Dupont fiber (not fireproof). The underwear is also treated with X Cool Silver that draws heat from the body surface to cool the driver

– Coolmax Material draws perspiration from the body
– X-Cool Silver Treatment for extra cooling
– Available in White or Black
– Rigorously tested to withstand years of abuse
– Built for maximum strength and endurance
– Designed and manufactured using innovative technologies