FIA long underwear

FIA long underwear is part of the fire-resistant base layer used under a racing suit in motorsport. It is designed to provide extra protection for the legs and lower body in case of fire or high heat, while also being comfortable to wear during longer periods of driving.

Unlike regular long underwear, FIA long underwear is made from materials designed for motorsport and high safety requirements. It is typically used together with an FIA undershirt, balaclava, socks, gloves, shoes, helmet and racing suit as part of the complete safety package.

A good fit is important, as the underwear needs to sit close to the body without causing discomfort under the racing suit. Breathable materials, flexibility and flat seams can make a big difference to comfort, especially during longer stints on track, rally or race.

FIA long underwear is used in race cars, rally cars, track cars and other motorsport disciplines where personal safety equipment is necessary or required by the regulations. For competition use, you should always check the applicable requirements for the class and race series.

Whether you drive racing, rally, trackday or other motorsport, FIA long underwear is an important layer under the racing suit and an obvious choice when safety, comfort and correct equipment need to go hand in hand.