3 Button Snap Half Helmet Visor Shield Fit Most Vintage Hondaline Arctic Cat Buco Bell Fulmer Torc Sparx HJC Shoei Arai NOS Harley Arthur Cafe Racer Retro Bobber Helmet Adjustable button snaps. Fits 99% of the 3 snaps design helmet Universal fit over 99% vintage or new bobber open face helmet included but not limited to Hondaline Arctic Cat Buco Bell Fulmer Torc Sparx HJC Shoei Arai NOS Harley Arthur 99% of the Sun's UVA and UVB rays protection Helmet not included.