The Only Guide to Motocross Helmet Nz dust helmets are far better in the dust as a totally shielded roadway helmet will leakage dust (regardless of exactly how limited they are) and if you use your visor whatsoever you're going to soon have the within your visor loaded with dust. https://accessories-auto-walmart15786.wikibuysell.com/1004229/motocross_helmet_nz_fundamentals_explained