| http://www.w3.org/ns/prov#value | - One of these soles is disclosed in U.S. Pat. No. 5,044,096 and in EP-0382904, and consists in dividing the sole, made of plastic material, into two layers with through holes and in interposing a membrane that is impermeable to water and breathable (made for example of a material such as Gore-Tex??? or the like) and is joined perimetrically and hermetically to the two layers, so as to hinder any wa
|
