The Type D Kart Seat is a blend of Type C and D. The change  to the kart seat comes at top where its made wider and the back of the kart seat is taller to allow people who are Big and Tall to be more comfortable and maximize their performance. The Type D kart seat has the same features as the Type C kart seat which is a deep trace of the human body to make sure your entire body completely fits, by doing so you are able to have a full hold seat that prevents slippage, has a higher back as well as maximizing your driving ability without sacrificing comfortability.