| 摘要 |
A life vest manufactured from an improved fabric, having a thickness ranging from 1.4 mm to 3.0 mm, and high elasticity provided by knitting with a double circular knitting machine under the setting of 20-28 gauges per inch. The improved thickness and high elasticity fabric is made of non-elastic yarns, selected from polyester, polyamide, or polypropylene, and from elastic yarns, of polyurethane. The combination of woven elastic and non-elastic yarns provides an intricate yet highly comfortable fabric which is soft and “furry” to the touch.
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