These trendy eyeglasses are made from memory plastic, extremely flexible and durable. The frames can restore their original shapes even after bending, twisting and crushing. Total weight is only 15 grams with basic lenses. The super lightness provides comfort wear all day long, you could hardly feel that you are wearing prescription glasses. Just perfect for those who need glasses most time. The modified rectangular lenses are compatible with single vision as well as bifocals or progressive lenses. Also the fabulous frames come complete with nose pads that automatically adjust to fit your face for added comfort. This sporty and fashionable glasses is similar to the Nike sports glasses. Two colors are available, including brown and black currently.