FREEKNOT Cold Weather Innerwear Y5619 Layer Tech Under Tights, Extra Thick

Photoelectron is a special ceramic that uses the far-infrared energy emitted from the human body to warm the body to the core. By combining it with various materials, a more effective heat retention effect can be obtained. It also has the characteristic of improving the evaporation and quick-drying properties of moisture such as sweat. 
By using polyester yarn and highly crimped yarn, the back side of the fabric is wavy. By storing air on the wavy surface, heat retention can be obtained.
100% polyester, it is highly absorbent and quick-drying, has excellent durability, and can be worn for a long time. It also achieves stretchability without using polyurethane.
Stretchability obtained from circular knitting method. It stretches surprisingly well and does not hinder movement.
"Gunze = Prevent E =" thread is used for sewing to suppress the generation of unpleasant static electricity, cling to the body, and suppress dust.