Turn 20-pound leader into 60-pound with merely a glance downward through small inset magnifying lenses for a bifocal effect. Modified oval wrap constructed from a light weight and durable Polycarbonate. Polarized, durable and 100% UV A and B ray protective TAC lens with a thickness of 1.0 mm. The brown lens color is ideal in low light and shallow water conditions. A small magnifying lens is inset into the lowewr third of the lens. Best for medium to large faces.