The ultra-light TR-100 material of the Prescription Sunglasses 151709-c makes them pleasant to wear all day. These glasses come in a stunning black, blue, or brown finish with large rectangle lenses and an amazing full rim design with minimal temples and a distinctive brow that has an angular nose bridge with keyhole functionality. These frames are compatible with a wide range of lenses. Get these glasses at the best prices and rest assured that you will have a pleasant shopping experience.