The Bliz Edge delivers full frame protection in the widest assortment of lens tints and finishes. It comes in a large field of view adult size and also a smaller Jr. size. It comes with a Polarized double lens in the Mark 12, a ventilated tinted and multi coated double lens in Mark 11 kit, a tinted mirrored double lens in Mark 10 kit, and tinted contrast double lens in Mark 7 kits. All Edges are OTG (over the glass compatible) have ventilated frames to resist fogging. They also come with triple density face hugging foam, an easy lens replacement system, adjustable 50mm strap and movable side clips for perfect fit with a helmet and also a protective cleaning storage pouch. Exterior cylindrical lens is made of unbreakable 100% UVA & UVB filtering Polycarbonate, the inner lens in Italian Acetate with best possible anti-fog treatment.