Noene 4mm Heel Pad Innersoles. Raises the heel – provides ultimate shock protection and shock dispersion. Reduces strain on calf and achiles. Best used as prescribed by a medical practitioner. 3 year life expectancy. Ideal for walking, jogging, basket-ball, football, tennis, and indoor sports. NOENE shock absorbing material, with adhesive tape Suit any shoe type (sports or city) Simply fit them into the heel area of your shoes.