3-in-1 Insoles Diamond padded insoles with faux wool lining Doubled arch support & extra comfort Natural Artemisia Argyi + PU foam insole with arch & forefoot support plus heel rebound * Replace your insoles every 6 months to maintain maximum comfort with your VIVAIA shoes Note: The insole contains natural Artemisia Argyi. For individuals with allergies, please consult a medical professional before wearing.