is rayon breathable
Rayon is a manufactured fiber made from regenerated cellulose derived from plant materials such as bamboo. Rayon fabrics are very soft and breathable. As one of the worldâs oldest manufactured fibers, rayon is used for a variety of textiles including underwear.Most underwear manufacturers mix with rayon with other fabric blends to achieve a stretchable fit.ayon is a manufactured fiber made from regenerated cellulose derived from plant materials such as bamboo. Rayon fabrics are very soft and breathable. As one of the worldâs oldest manufactured fibers, rayon is used for a variety of textiles including underwear.