Sudbury full rim eyeglasses are made from lightweight & comfortable plastic meterial. You will never regret to have them. Wayfarer shape frame is very sturdy & stable so you don't need to worry if it will fall down when you are doing some fierce sports. Everyone wants to have a pair of this item from our glassesshop.com no matter men or women. More attractive is that this type eyeglasses is specially designed for single vision, bifocal & progressive vision needs.