Helps to relieve your heel pain andfort from sore hurting heels, sore feet, plantar fasciitis, bone or aching heel spurs, achilles, edema, treat stress fractures, sprained foot when walking or running. Before applying, ensure that you have adequate room in your footwear tomodate the insole, so that your feet are not restricted tightly in your footwear to avoid restriction of circulation. Ages and both men and women improve step balance and foot strength anti-skidding, shock-absorbing and depressurizing reduce the damage to the foot due to vibration relief pressure and pain from shoes helps to relieve your heel pain andfort from sore hurting heels, sore feet, plantar fasciitis, bone or aching heel spurs, achilles, edema, treat stress fractures, sprained foot when walking or running improve step balance and foot strength, anti-skidding, shock-absorbing and depressurizing applicable for all kinds of sport shoes, hiking shoes and working shoe.