Velo HyperPlush seat, silk like cover, nice rails and base. Approximately 1/4 inch tear in cover at the left rear edge. and 1/2 inch of seam on the ideal rear can make use of a couple stitch's Approximately 10&& 3/4's inch's long and 6 & 3/4's inch's long on the widest part on the rear of the seat. extremely comfy Gel foam for those impressive rides. Ergonomic detent is about 5 inch's long.