Tuli''s heel cushions have a multi-cell, multi-layer structure that absorbs shocks and returns the impact energy. Just like the natural system in our feet. Tuli''s Heel Cushions Classic immediately relieve heel pain by cushioning the area of pain, cushioning the area of pain and elevating the heel bone. The cushioning and elevation achieved with Tuli''s Classic Heel Cushions takes the pressure off your Achilles tendon and allows you to regain your flexibility. Tuli''s Classic heel cushions are podiatrist recommended heel cushions. They are literally shock absorbers for your feet!