1. Cotton yarn: Cotton is a herbaceous plant that is harvested once a year. The fiber of cotton is mainly cellulose, containing a small amount of sugar, protein, fat, and other accompanying organisms. The cotton yarn has a circular cavity, which has better thermal insulation performance than price.
Advantages: Cotton woven seamless underwear is comfortable, breathable, and warm to wear.
Disadvantages: Cotton has poor elasticity and is prone to wrinkling and defo
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