Tulis Classic Heel Cups are ideal for those suffering from heel pain and aching feet. The Tulis Classic Heel Cups work best in all shoe styles because they are supportive yet flexible enough for any shoe. Tuli's Classic Heel Cups provide immediate heel pain relief by cushioning the area of pain and elevating the heel bone. They are ideal for treating plantar fasciitis, Achilles tendonitis, shin splints, and general heel pain.