Are BMW’s new carbon bucket seats made from carbon fiber?

Are BMW’s new carbon bucket seats made from carbon fiber?

• However, the seat back is still made from carbon fiber, saving 5 kg (11 lbs) per seat. Interestingly, BMW thought of track drivers with the new carbon buckets. Because the headrests on the carbon seats aren’t adjustable, they might become a nuisance to helmet-wearing drivers on track.