FILAMENT POLYESTER (NanYa) with cross section. Moisture management properties through capillary action.
POLYESTER/COTTON BLEND (Optimer) with moisture management properties. Mostly used as air jet spun, but some ring spun used in hosiery. www.fabriclink.com/pk/drirelease/home.html
SPUN POLYESTER (DAK) with built in moisture management properties. Round cross section, ring or air jet spun, disperse dyeable. www.dakamericas.com/hydrotec.htm