Heatwave Skynet Sunglasses Full Package (Black Z87)SAY GOODBYE TO SCRATCHED LENSES! Scratches are a problem that are synonymous with sunglasses. Whether it be dirt or debris, jobsite junk, or the classic face down splat, scratches have plagued sunglass wearers since day one. Heatwave proudly introduces their solution to the age old problem by way of the ALL NEW LPF system! The Lens Protection Film is a thin, clear film that is designed to be adhered to your lense and be your personal barrier against