For an issue that is covered by the 5-year Limited Product LIFETIME GUARANTEE, DYNAFIT will repair or replace the eyewear at its discretion, free of charge. In general, if the DYNAFIT eyewear can be repaired, we will repair it. If a DYNAFIT eyewear cannot be repaired, a suitable replacement product or upgraded product will be provided. Color and form of the repaired or replaced DYNAFIT eyewear may vary.