Buff's solid hat is great for outdoor adventures. It is made from two materials of microfiber and polar, creating a layer of warmth and protection. The hat is great for intense activities as it breathable and wicks away moisture. The hat is suited autumn and winter with its polar fleece, which is soft and warm. Furthermore, if you have a duty to protecting the environment, Buff's solid hat is made from recycled fabric.the hat is tailored for activities like hiking, climbing, bouldering, winter walking, trekking and skiing. A great hat serving multiple purposes.