Full Carbon, TEXTreme outer layer (unique design). Weight according to the new standards (42 pounds) of weight. Head support included. Low COG (center of gravity). Approved NASCAR (69G sled test - SFI homologation - NASCAR test of 2015 quasi-static). Size M. Shell made of seat + asymmetric headrest. Designed together with one of the most prestigious of the NASCAR team. The seat is used and appreciated by several pilots.