Stay warm and comfortable during winter outdoor activities with the Regatta Professional Thinsulate Acrylic Hat. Designed with a Thinsulate lining, this hat effectively locks in warmth. The stretch fabric ensures a snug and comfortable fit, making it a convenient one-size-fits-all option. It is machine washable for easy care. Crafted from 100% Modacrylic, this hat features an acrylic knit with a Thinsulate lining for enhanced thermal insulation.