Nomex clothing items such as this Nomex undershirt provide more than just fire resistance though, which is why they come so highly recommended. Designed to absorb perspiration and promote airflow, Nomex clothing can help keep you cool and dry during long stints on the track, thus improving your comfort and ability to concentrate on the task at hand. Constructed of lightweight Nomex, this FIA/SFI homologated shirt keeps you and your suit cool and dry all day long – rest assured, once you get on the track, the benefits will be apparent! Features: