Exclusive over-molded lens design eliminates usual heavy-clamping frame. to create an innovative full face with lighter weight, greater field of vision, fewer parts, minimal maintenance and completely free of metal parts. Lightweight respirator features stand away head harness with extra wide opening for easy on/off. Strap buckles are securely molded directly to facepiece for rugged use and ease of adjustment. Coated lens for scratch resistance. NIOSH Approved.