Designed especially for climbers and ideal for anyone who travels in ice or snow destinations, the Sunski Treeline Sunglasses has glacier optics. However, the  Treeline Sunglasses providing polarized lenses UV protection with removable magnetic perforated side panels that decrease glare and UV can harm your external vision. Thanks to the comfortable design, it has rubber nose pads that secure your glasses from falling off your nose during mountain climbing or a ski run, and the matte black frame is flexible and lightweight, so you barely notice you wear them. Each pair of sunglasses has a lifetime warranty by Sunski and comes with a carrying case.