Topic While way and the fastener which stop the front median button are closed (opening, yes) with the west expansion and contraction structure which can wear is proposed. Furthermore, when wearing, the pants where design of the west part almost is not different from original design are offered.SolutionsIn case of the type which has cut structure in both side pocket, the outer skirt A (a) with before B the under (b) the expansion and contraction material structure of the expansion and contraction material which bonds X which is bonded with inside and the under ago B and b with inside can be given. Furthermore, the expansion and contraction material passes through the annular part which is installed on reverse side of the median fastener intermediate post. It cannot give the cut in the pocket and decorates and in case of the type which has fastener structure, it makes the opening and closing part in the median fastener and between to side there installs the fastener on left and right. When there is a pocket, the fastener is installed in the median fastener and between the parts of the pocket. The expansion and contraction material is installed from position of side inside the belt to forward the median fastener. Choice figure Drawing 1
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