| 摘要 |
<p>1. A back sheet (10) for knapsacks and similar articles is provided with or formed by a fabric (20) capable of allowing the user's transpiration therethrough. The fabric (20) comprises a front face or "right side" (21) and an opposing face or "reverse side" (23), both made up by polyester in a weft and chain-stitch arrangement, and an interposed "nap" layer (25) formed by a single polyester yarn joining the two faces of said fabric (20). <IMAGE></p> |
