The Camo colored TP251-CA is a lightweight and comfortable frame made out of TR-90 Nylon. The breathable rubber nose pads allow for a secure and lightweight fit on your nose. These frames also have a built in side shield protection which is great for added safety to your eyes. The arm of the frame also has a non slip grip that ensures these stay securely in place while on your head. This product offers our standard high quality, distortion-free SF-6 Schott glass, radiation-reducing lenses with .75mm lead equivalency. Model TP251 fits best for Large style heads.