This heavyweight CAT 4 brown duck jacket provides the ultimate in thermal protection. It is designed specially for electric utility workers, to keep linemen safe in the field. Featuring lanyard access on center back to accommodate your safety harness, concealed, snap-front, storm flap closure, updated cuff construction and is DWR – Durable Water Repellent.. Accommodates snap-on hood HLH4BD and vest jacket liner LLS8BD, sold separately.