Incredibly versatile, Original Buff Headwear keeps you cool in summer, warm in winter, wicks moisture, and dries quickly. No matter how you wear it, it's the must-pack accessory of the outdoors. . Soft, lightweight microfiber fabric keeps you cool in summer and warm in winter. Breathable fabric wicks away moisture and dries quickly. Provides thermal protection from cold and wind. Seamless tubular construction for smooth comfort against the skin. 2-way lateral stretch fabric retains its shape. Stylish and multifunctional: Can be worn as a neck gaiter, sun guard, dust/wind mask, hood, balaclava, cap/hat, sahariane, pirate cap, helmet liner, headband, head scarf, wristband, hair band, scrunchie. Treated with Polygiene for active odor control-safe next to the skin, environmentally friendly (natural silver salt), and permanent. One size fits most adults with a head circumference of 21-25 in. (53-62 cm); measure head circumference just above the ears. Measures: 20 x 9.5 in. (50 x 24 cm); weight: 2.9 oz.. Colorfast and machine washable; do not machine dry or iron; do not use bleach or fabric softeners. Buff is derived from the Spanish word "bufanda," which means "scarf". Made in Igualada, just outside of Barcelona, Spain.