Not only the front but also the inner part that comes into contact with the skin uses a special thread (stretchable rubber thread) that is made of 100% cotton.
It is comfortable to wear and you can wear it for a long time without feeling stuffy.
Also, by shortening the length of the mouth rubber, you can enjoy it comfortably with less tightening feeling.
Made in Japan
Material：100% cotton (using polyurethane core yarn)
※The color of the product image may differ slightly from the actual product. In addition, the ratio of each part is not the same in the publication.