HONEYWELLTM PROTECTO-SHIELD RATCHET HEADGEAR, POLYCARBONATE VISOR, 11340145 HEADGEAR IS CONSTRUCTED OF TOUGH THERMOPLASTIC. FEATURES A RATCHET TENSION KNOB HEADBAND ADJUSTMENT FOR EASY SIZING AND TENSION ADJUSTMENT WITH A PADDED SWEATBAND. 0.060 THICK VISORS ATTACH WITH NO SNAPS, POSTS OR LEVERS. THE HEADGEAR IS DESIGNED WITH A CHEMICAL SPLASH DRIP EDGE TO PREVENT FLUIDS FROM SPLASHING DOWN INSIDE THE VISOR. POLYCARBONATE VISORS PROVIDE MAXIMUM IMPACT, WATER AND HEAT RESISTANCE AS WELL AS SUPERIOR OPTICS AND DURABILTY. ALUMINUM BOUND ACETATE REPLACEMENT VISORS FORM EASILY FOR A CONTOURED, CUSTOMIZED FIT. VISORS MEASURE 8-1/2″X15″. HEADGEAR WITH VISOR MEETS ANSI Z87.1 REQUIREMENTS.