Achieving the goal of maximum comfort! Specially designed with an invisible self-adhesive, bacteria resistant and hypoallergenic cushioning gel for superior impact absorption. helps disperse pressure, reduces friction and rubbing from the back of your heel and achilles’ tendon. Ideal for the prevention of blisters, chafing and for bumps that occur on the back of your heel. Advanced anatomical wavy design comforts, cushions, protects the tender achilles area and enhances the anti-slipping function.