The roll-up cuff Heat Holders® Worxx hat is exceptionally thermally effective, with a new heatweaver® plush insulating liner that has been developed to hold even more heat in. Worxx hats are available in high-visibility colors and have reflective stripes for safety. Features: Reflective Base Material: 89% Acrylic, 11% Polyester Lining: Lined Lining Material: Polyester Care: Machine Wash, Dry Flat Country of Origin: Imported