A shoe cushioning system having a thin midsole, a first forefoot element, a second forefoot element and a heel element is described. The first forefoot element is connected to the midsole near the front of the forefoot region, the second forefoot element is connected to the midsole ...http://www.google.fr/patents/US5806209?utm_source=gb-gplus-shareBrevet US5806209 - Cushioning system for a shoe
