The Sintryx, the state of art new edition to incorporating style, function for sports such as Mountain Biking, Cycling and Triathlons and many other sports. Two lens configeration are interchangeable with many other coloured tints. Combined with adjustable nose pads and temple ends to create the perfect fit. Sintryx comes with either photochromic lenses or polarized lenses for water sports and sailing. As normal with most Rudy Project Sports sunglasses this model has adjustable nose and temple ends that can be easily adjusted with your fingers to create the perfect fit.