Extra-large window provides superior panoramic view Premium Sta-Clear anti-fog coating guarantees a fog free working environment Integrated side and chin guard protect against splash and flying debris Extra-large crown provides added top of head protection Optional shade 5 and 8 flip-up visors deliver unmatched versatility and uninterrupted protection Features exclusive 370 Speed Dial ratcheting headgear Grab the oversized adjuster dial and turn for a precise fit. Works with gloves! Patented “Kwik-Fit” swivel headband adjusts suspension for superior comfort Windows are built with detents that lock in the up or down position until manually adjusted Designed to be used with safety glasses, respirators, and most goggles Two mounting options available: Premium 370 Speed Dial ratcheting headgear suspension Hard Hat Interchange System (HHIS) for mounting on slotted hard hats Ideal for heavy duty grinding, plasma cutting, brazing, and much more! Meets or exceeds ANSI Z87.1 + high impact standards