The metal frame contains nickel due to production process. Customers with a history of nickel allergy should be cautious when purchasing.
This is a pair of metal, semi-rimless frame, with matching magnetic clip-on polarized sunshade. Color is available in gunmetal only. This is a perfect combination of a pair of normal prescription eyeglasses and a pair of polarized sunglasses, which is glare-resistant for outdoors activities. The matching magnetic clip-on sunshade is foldable, thus making the storage of it more convenient while not in use. The weight of the clip-on is 19 grams, while the weight of the prescription eyeglasses is about 27 grams. The entire weight is about 46 grams. These set of vision devices protect your eyes from harmful UV rays without compromising the vision acuity and clarity.
Also see: round lens glasses,square eyeglasses