Ultralite Blast Suit, size 4X-large. The Ultralite Blast Suit is a durable, light-weight coverall designed specifically for abrasive blasting environments where mineral, slag, and other non-ferrous abrasives are used. This blast suit is constructed of a durable nylon front and a breathable cotton twill back, offering operator comfort and protection against abrasive rebound. The durable zipper is protected by an overlay flap with a heavy-duty hook and loop seal, effectively keeping abrasive out. Generous sizing in the armholes and legs allows the operator greater freedom of movement and the ability to suit-up while wearing boots.