Sellstrom S29411-08E Confined Space Welding Helmet, Silver Coated, Made in USA Custom Design: originally designed for shipbuilding applications including submarin work, this helmet has since proven effective for other tight, confined space welding applications Leather Protection: customized leather bib replacements ( repl bib # S21100 ) on top and bottom allow the worker to fit in those small spaces while being prtected against IR heat, smoke and spatter Flip Up: includes 2" x 4-1/4" spring loaded positive lock flip front - fits 2" x 4-1/4" filter plate or ADF ( sold seperately ) Coating / Headgear: includes a proprietary SUPER KOOL SILVER COATING which keeps the helmet 30% cooler than standard helmets, includes a quick release ratchet headgear with sweatband for added comfort OSHA Compliant: meets ANSI Z87.1 standard