The Carhartt Northern Ear Flap Hat works extra hard to keep you warm. Constructed of a 50% acrylic /50% wool blend knit fabric, it's lined in 92% polyester/8% stretchable spandex fleece, and built with ear flaps for added comfort. *50% acrylic /50% wool blend knit fabric *92% polyester/8% spandex fleece lining *Carhartt logo embroidered on front