Tuli's Heel Cups are the #1 Podiatrist recommended Heel Cups in the world. Nothing works better or lasts longer than your Tuli’s Heel Cups. They are literally shock absorbers for your feet! Tuli’s Classic Heel Cups work in all shoe styles because they are supportive, yet flexible enough for any shoe. You can have light-weight support and cushioning all day long whatever you may be doing.