A Carhartt and Guinness collaboration inspired by goodness, craftsmanship, and hard work. The Watch Hat is made of stretchable 100% acrylic rib-knit fabric and the Carhartt logo is sewn onto the front.. . . . . 100% acrylic, stretchable rib-knit fabric. Guinness label sewn on back. Acrylic material is soft and warm. Lightweight design is easy to take with you anywhere. One size fits all. Carhartt logo sewn onto front of hat. Recommended Uses: Casual, Hiking, Backpacking. Spot clean. Imported. | Carhartt Men's Guinness Acrylic Watch Hat