Gel Heel Cups - Heavy DutyTuli's Heavy Duty GEL Heel Cups provide additional thickness and support for athletic performance. Nothing works better or lasts longer than your Tulis Shock absorbers for your feet. INDICATIONS Plantar heel pain Heel spur Plantarfasciitis plantarfasciopathy Sub calcaneal bursitis Severs Blisters under the heel Suitable for high impact activities. DESIGN TuliGEL is specially formulated to be lighter, softer and more resilient than the material used in