Sleek race saddle features smooth contoured lines with a long and flat pedaling platform that is designed for XC or road use. Carbon: Leather cover, Carbon composite shell, LuxZone and DNA padding. SLT Carbon: Leather cover, Carbon composite shell, LuxZone and DNA padding. Team Carbon: Synthetic cover, Carbon composite shell, Comfort Zone and DNA padding. Pro: Synthetic cover, flex-tuned shell and LuxZone.