Use Skullerz 8991 Safety Helmet Visor with Skullerz Safety Helmets (not included) to increase eye and face protection. UV protective, z87 lens features a permanent anti-fog technology and scratch-resistant hard coat tested to EN166 Scratch-resistance. Lens blocks 99.9 percent of harmful UVA, UVB and UVC rays. Permanent Fog-Off delivers clear sight in any condition and will not wash or wear off. Visor is compatible with Skullerz 8974, 8974LED, 8975 and 8975LED Safety Helmets. Attachment hardware is included.