Tulis Classic Gel Heel Cups are ideal for those suffering from heel pain and aching feet. These pain relief heel cups are made out of TuliGEL, which is exclusively formulated to be lighter, softer, and more resilient than other gels. The Tulis Classic Gel Heel Cups work best in all shoe styles because they are supportive yet flexible enough for any shoe. Tuli's Classic Gel 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.