Key Features - FIA Approved - Soft knitted Rayon/Nomex mix - 50% Rayon / 50% Nomex - High neck and long sleeves for maximum protection - Light, breathable and tailored fit - Generous sizes - Avaliable in M, L, XL & XXL The STR Club Range soft knitted NOMEX underwear is excellent value for money. Featuring a current FIA Approval, the top has long sleeves and a high neck for maximum protection against heat and flame white the bottoms have a soft NOMEX cuff with flat seams for extra comfort underneath your race apparel. Light, breathable and with a tailored fit, these garments are the ultimate in fire retardant protection at a great price.