The Standard containment seat is ideal for most short track applications from IMCA modifieds to late models. Made from .100 and .125 thick 5052 aluminum. Contoured high density foam bottom provides complete leg and inner thigh support. Accommodates 5 or 6 point seat belt systems and all head and neck restraint systems. Head and shoulder restraints adjustable 1-1/2" vertically. Removable cloth covering. Note: Ships direct from manufacturer.