hat thin viscous 100 acrylic 4696A knitted hat is used for cool, cold weather. Manufacturing method industrial, double binding . The hat has a low fit. It stretches easily. A double lapel creates an additional warm layer around the ears, forehead, and nape. The hat is made in the image and likeness of the American knitted helmet balaclava, hence the name Watch Cap (the cap of the sentry). Material: 100% acrylic