Gore Running Wear Mythos Hat Neon Yellow, One Size SHELL:100% POLYESTER, WINDSTOPPERMEMBRANE,100% POLYESTER,INSERT:88% NYLON,12% ELASTANE,; Do not bleach. Do not tumble dry. Dry or steam iron low. Drycleaning any solvent except trichloroethylene. WINDSTOPPER Soft Shell Neon fabric for better visibility; Thermo-stretch functional fabric; Extended ear flaps Reflective print on front and back CHN