Microfiber is a Synthetic material typically used in the manufacture of apparel. The most common Microfibers are polyester and nylon.
About Spa Slippers:
Spa Slippers are slippers made for comfort and relation. Spa Slippers may be closed toe slip ons or an adjustable flap slide. Spa Slippers are often worn before and after a bath or shower and they often have skid-resistant weatherproof outsoles with uppers made of soft and plush materials like velour or terry cloth that can absorb high humidity.