| 摘要 |
An article of footwear comprises a shell ( 10 ) and preferably also a leg piece ( 20 ), and features, at least at some portions thereof that do not include the sole ( 15 ), a composite structure formed of two layers ( 30, 40; 30 A, 40 A) that are made of preferably synthetic materials having different mechanical properties. At least the interfacing surface ( 34, 34 A) of the layer ( 30 ) made of mechanically stronger materials is provided with protruding elements ( 36 ) that remain inseparably adhering to the interfacing surface ( 42, 42 A) of the other layer ( 40 ).
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