Original Penguin The Hamilton is a Full Rim 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 an Oval shape, with a Single Bridge.This frame features a spring hinge, which keeps its initial balance and adjustment, thereby avoiding the need for subsequent adjustments.These Original Penguin The Hamilton Sunglasses flatter people with the following facial features: Long Nose.Alternate Fit. Alternate Fit frames have a specially designed bridge for those with higher cheekbones and wider nose bridges. Alternate fit ensures the frames rest on the nose and prevents sliding.These Sunglasses work well for people whose style is: Classic, Stylish Designer, Unique, Retro/Vintage, Cool/Trendy.Ideal for usage with: Fashion.Original Penguin The Hamilton Sunglasses come with a cleaning cloth and protective carrying case.