Native Eastrim is a Semi-Rimless frame for Men, which is made of Plastic. This model features a Rectangular shape, with a Single Bridge.The Native Eastrim Sunglasses feature the following logo: "N" logo on templesThis frame features cam action joints, which create a secure fit that stays in place to prevent any unnecessary movement during strenuous activity. These hinges also keep the frame from opening at a greater angle than it should, to prevent stretching or breakage.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: Unique, Sporty.Ideal for usage with: Sports, Water Sports, Golf, Tennis, Snow Skiing, Beach Volleyball, Cycling, Jogging, Triathlon / Multisport, Everyday Driving, Water Skiing, Swimming, Fishing, Salt Water, Fresh Water, Baseball.Native Eastrim Sunglasses come with a cleaning cloth and protective carrying case.These sunglasses are available with polarized lenses on certain colors. Polarized lenses have a filter within the lens that blocks the wavelengths of light that cause glare. They can greatly enhance contrast and allow for greater depth of vision, especially in water. They are ideal for any situation where glare reduction is necessary, like driving or playing sports.