Bz Optics PHO Bi-focal HD Sunglasses

The bi-focal magnification which is moulded discretely into the rear of the lens is available in +1.50 +2.00 and +2.50 powers. The TR90 super lightweight hybrid frame has dual moulded non-slip flexible temples ideal for wearing under open or full-face helmets. The adjustable non-slip nose piece ensures optimum fit and comfort for all face shapes. Features: Lightweight flexible frame with dual moulded non-slip temples. Adjustable non-slip nose piece for comfort and fit making them ideal for a wide range of face shapes and sizes. Small clips make changing lenses effortless. While the glasses were originally developed for cycling they are ideal for many other applications and sports.