Burberry BE 1375 is a Full Rim, Progressive Eligible frame for Men, which is made of Metal.Most metal frames are made out of Monel. Monel has a copper and nickel base. This metal can be corrosion resistant, strong, and easily adjusted. It retains its stability and shape.This model features a Rectangular shape, with a Single Bridge.This model has silicone nose pads for comfort and easy adjustments.