3M helps provide reliable face protection. Headgear features a unique system that allows window replacement in seconds. Heat-reflective aluminum-infused headgear provides extended protection in high-heat areas. 3M helps provide reliable face protection. Headgear features a unique system that allows window replacement in seconds. Reversible headgear mounts to hard hat for advanced impact resistance. (bul) Spring-loaded metal mounting channel for easy attachment to hard hat. (bul) Crown can be reversed for backward cap mounting. (bul) Provides impact resistance over a wide range of temperatures. (bul) No snaps, bands, or cams. Easy window replacement. (bul) Dual pivot friction adjustment for individual preference. (bul) Developed especially for use in steel mills, foundries and smelters. (bul) Meets High Impact the requirements of ANSI Z87.1-2003. (bul) 10 headgear/case 3M provides reliable head and face protection products that meet regulated performance and safety requirements.