Ribbed crew neck long-sleeved T-shirt made with soybean fiber, women's, dark brown, size S, sold out MUJI MUJI Partially made with fiber that reuses soybean pulp. The cotton is organic cotton. The fabric has a moderate thickness and is soft, making it comfortable to wear. The neckline is also beautiful. The thin ribbing fits the body moderately well, and the fact that it doesn't become too casual is also a plus. Only tried on, stored at home.