It is made of viscose, a nonwoven material that can soak up enormous amounts of moisture, then be wrung out and reused.
But shorts of ribbed cotton, viscose, rayon or silk are increasingly popular.
viscose solution is pumped to the spinning machine in the fiber department.
The spin bath in which viscose is extruded is composed of sulfuric acid, sodium sulfate and zinc sulfate.
British Dictionary definitions for viscose
a viscous orange-brown solution obtained by dissolving cellulose in sodium hydroxide and carbon disulphide. It can be converted back to cellulose by an acid, as in the manufacture of rayon and cellophane