A reactive energy fluid filled cushioning and stabilizing apparatus in a shoe is comprised of one or more anatomically shaped fluid filled bladders that are positioned in the forefoot, arch and/or heel areas of the shoe. The bladders assume a complementary custom fitting configuration to the contours...http://www.google.fr/patents/US5313717?utm_source=gb-gplus-shareBrevet US5313717 - Reactive energy fluid filled apparatus providing cushioning, support, stability and a custom fit in a shoe
Reactive energy fluid filled apparatus providing cushioning, support ...
