Impact-attenuating elements, e.g., for use in footwear or other foot-receiving device products, may include: (a) a base member, such as a fluid-tight and/or other fluid-filled or fluid-containing enclosure element; (b) a support element integrally and contiguously formed in a surface of the base member;...http://www.google.de/patents/US7685743?utm_source=gb-gplus-sharePatent US7685743 - Article of footwear or other foot-receiving device having a fluid-filled bladder with support and reinforcing structures