The Smou Smou Heel Fasciitis-Spur Heel Pad T39/40/41 is a heel pad designed to relieve pain and discomfort caused by plantar fasciitis and heel spurs. It is specially designed to fit foot sizes 39, 40 and 41. This heel cup provides additional support and cushioning to the heel, helping to reduce pressure and stress on the affected area. It is a recommended product for those who suffer from these foot problems.