Other eyewear retainers that hang on your neck may soak up sweat, get dirty, stink and fray. Cablz eyeglass retainers are unique in the way they do not lay on your neck, distract you or irritate your skin. Whether you are fishing, boating, golfing, hunting, running, biking, hiking, rock climbing, snow skiing, snowmobiling or just enjoying the great outdoors Cablz are the ideal eyeglass retainers that will keep your eyewear secure and stylish. Made of surgical grade steel cable, industrial strength rubber and other quality components, Cablz eyeglass retainers are designed to handle hard work and active lifestyles. CABLZ-ZIPZ are designed to be worn extended at regular length or adjusted for a closer fit to the back of the head. Only retainer to use for straight armed glassesAdjustable in length for better customizationPerfect under helmetsGreat for running, kayaking and other active sportsSnag proof when “zipped”