100% microfibre polyester with overall imprint. Seamless, tubular fabric retains original shape. UV protection, wicks moisture, lightweight, breathable, dries fast. One size fits most.
Also known as a buff, they are very versatile and useful for outdoor activities. It looks like a simple tubular bandana, but they serve many functions. Wear it as a headband, face mask, hairband, foulard, balaclava, do rag, cap/beanie, sahariane, pirate, scarf, sun guard, bandana, helmet liner, tube top, wristband or hair scrunchie.
Google "how to wear a buff" for ideas. Here's an article titled "How to wear a buff in 13 useful ways" it includes a link to a Youtube video demonstrating some of the options.