Head cover, has basic form and functional insert made of animal or cellulose fibers, where characteristics of material of basic form differ those of functional insert, which replaces material of basic form at ear

摘要

The cover has a basic form (1) and a functional insert (2), where the characteristics of the material of the basic form differ from those of the insert. The insert covers ears of a user and replaces the material of the basic form at an ear. The basic form made of animal or cellulose or synthetic fibers is woven or knitted or felted. The insert made of yarns or twines or thread or animal fibers or cellulose fibers or synthetic fibers is woven or knitted or felted. The insert is sewn or glued or buttoned or riveted at the basic form or attached at the basic form by a zipper.