| 摘要 |
PROBLEM TO BE SOLVED: To provide a blended-spun and interknitted heat-retaining underwear made of polyphenylene sulfide fiber, excellent in heat-retainability and durability against rays such as ultraviolet rays, causing no discoloration even when used outdoors, and capable of being dyed in deep color, while the characteristic features of the polyphenylene sulfide fiber is not spoiled. SOLUTION: This heat-retaining underwear is characterized by comprising polyphenylene sulfide fiber, and at least one kind selected from cotton fiber, wool, polyacrylonitrile fiber, polyester fiber and polyamide fiber, and also having the colorfast-ness to light under exposure to UV carbon-arc lamp light following JIS L-0842 higher than Class 1. |
