The Intermediate containment seat is ideal for most short track applications from IMCA modifieds to late models. 18⁰ layback. Made from .100 thick 5052 aluminum. Contoured elongated bottom re-inforced for added thigh and hip support. Energy absorbing pad-ding on seat bottom. rib and re-inforced shoulder supports have extra 1/2” padding. Kit Design re-duces shipping cost. Removable cloth covering.NOTE: Ships direct from manufacturer.