The OMP One balaclava had been updated and improved and now complies with the very latest and more stringent FIA approval. The 2 layer flame retardant construction features OMP DRY SYSTEM high breath-ability Nomex inserts to reduce sweating and keep you cooler and more focused. Flat seams reduce rubbing and pressure pointsDRY SYSTEM technology to keep you cooler and reduce seatingAnatomical shape provides a close and comfortable fitOMP's latest One underwear range has been developed to help regulate the body's core temperature which, in turn, reduces the heart rate and perspiration. This results in reduced fatigue and stress and thus optimises driver focus which is beneficial in any level of Motorsport. OMP utilise the very best technical materials available to offer drivers the most comfortable and revolutionary underwear. This is reflected by the underwear being used by high profile drivers in many Motorsport disciplines Worldwide.Available in 2 sizes:XS/S  - Suitable for head sizes