Second Face On full face goggle was designed for the motorcycle rider who does not like to wear the full face helmet. Our Full face goggle easily straps on and can be worn with all other helmets or with no helmet at all. It is made of a polycarbonate blend for fantastic impact resistance, super light weight. Our lens is a Photo chromatic Transitional Lens (no need for sunglasses), scratch resistant both inside and outside, ANSI-Z87 tested and approved offering exceptional clear vision. Second Face On's Mask Comes complete with Lens/Comfort Summer and Winter Insert/Adjustable Strap/Winter Insert/Carry Case