A pad element may include a base member, a pair of cover layers, and a plurality of beads. The base member defines a plurality of apertures. The cover layers are secured to opposite surfaces of the base member and extend across the apertures. The beads are located within the apertures and between the...http://www.google.es/patents/US7992226?utm_source=gb-gplus-sharePatente US7992226 - Pad elements for apparel and other products
