Lens top quality- when planning a goggle lens, brands have more than a few material choices to pick from which include polycarbonate and trivex. Polycarbonate lenses are recognised to get shatterproof and proof against scratches and will be received pretty cheaply. The RIG® Sapphire lens is optimal for top visibility https://freshbookmarking.com/story13940528/new-step-by-step-map-for-ski-goggle-lens-protector