A HUMAN NECESSITIES
A43 FOOTWEAR
A43B CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
A43B13/00 Soles; Sole-and-heel integral units
A43B13/02 characterised by the material
A43B13/12 Soles with several layers of different materials
A43B13/125 characterised by the midsole or middle layer
A43B13/127 the midsole being multilayer