Worn for only one week. Work perfectly. Vibrathotics insoles reduce pain and numbness in the foot by increasing blood flow and stimulating nerves using new patent-pending vibration massage technology. Vibrathotics provide quick relief from chronic foot pain, improve balance, and promote healing. Ergonomic design adds excellent arch support, shock absorption, and comfort all day long. Helps with foot pain due to Plantar Fasciitis, Neuropathy, Neuroma, heel pain, and other causes of foot pain.