MSA Gray Replacement Swing Suspension designed for skullgard caps and hats is constructed of lightweight, 1-piece injection molded high-density polyethylene. The 4 Point ratchet liner suspension system offers ultimate comfort and easily clips into skullgard hat or cap shell. Suspension features 1-handed ratchet adjuster and nylon height adjustors for a custom fit. Suspension liner includes headband, nape strap, sweatband and crown straps. The rigid, dielectric shell works together with the suspension system for complete head protection. It and offers optimum comfort. It meets ANSI Z89.1-1997 type I standard.