Must-have back-of-heel cushions boast cushioning comfort in the most uncomfortable areas and are formulated with antimicrobial to help keep your feet cool, dry and fresh. includes 3 pairs cushions the back of your heels or any uncomfortable area of your shoe virtually invisible design helps prevent blisters from forming helps prevent heel from slipping and sliding in and out of shoe and protects hosiery Ultra-Fresh antimicrobial enlighten-u high-performance urethane