Under normal temperature, wearing linen clothes can reduce the real temperature of the human body by 4-5 degrees, so linen is also known as "natural air conditioner". Because flax is a rare natural fiber, accounting for only 1.5% of the natural fiber, the price of flax products is relatively expensive, and it has become a symbol of status and status abroad.

Long term exposure to ultraviolet radiation can damage human body. The hemicellulose contained in flax textile products is the best material to absorb ultraviolet rays. Hemicellulose is actually immature cellulose. The hemicellulose content of flax fiber is more than 18%, which is several times higher than that of cotton fiber. When it becomes clothing, it can protect the skin from ultraviolet rays.