NELSON-RIGG ARCTIC 1-PIECE INSULATED SUIT (XXXX-LARGE) (BLACK) Made from a 100% wind / waterproof, Tri-Max? nylon / PVC. Full nylon lining comfort when worn over leathers and other clothing. Complete adjustable zipped under arm ventilation system. Hi-Brite reflective safety striping on arms and legs. 2 large outer pockets, with 1 large zippered inner pocket.