Chums Rope Universal Fit 5mm Eyewear Retainer are field tested and guaranteed to keep your glasses in place. Chums' patented Universal Fit tips are molded directly to the cord and will accommodate a wide variety of eyeglass frames. Nylon 5mm cord utilizes perlon climbing rope construction giving it strength, durability and style. Not recommended as pro when climbing although the Czechs have been tempted.
