The Enertor Heel Cup features superb cushioning and is perfect for any type of formal shoes including high-heels. They are also suirable for trainers, hiking boots and work boots. Adhesive backing ensures a secure fit, whilst extra cushioning on heel provides maximum relief from heel pain from Sever\'s or Plantar Fasciitis. Lasts over 7 times as long as standard insoles. Improves muscle function and reduces fatigue. Certified Class1 Medical device. Suitable for diabetics and those recently recovering from leg surgery Colour: Black Material: Manmade Code: 1240