Tansle Mans Sunglasses High-grade Aluminum-magnesium Polarized Sunglasses In Light Weight metal frame anti-reflective lens polarized Lens width: 5.6 centimeters Aluminum and magnesium metal frame in light weight Shatterproof Polycarbonate lens UV 400/mirror flash coating The Super light TR90 frame and lens only weighs .60 ounce. You can hardly feel them on your face, yet they are Unbreakable Great Fashion Frame Rimless design for Golf, Cycling, Running, Fishing and all Active Outdoor lifestyles