Moisture Wicking: Soft stretchy micro-polyester / spandex fabric that wicks away moisture, brushed for warmth but not fleece. This is the perfect accessory for cool but not for super cold weather, as well as for incoming spring. Thin enough to wear under a bike, ski, or motorcycle helmet.
Sun & Wind Proof: Help protect your skin from UV light under direct sunlight and you can breath as usual in windy weather and no need worry of breathing in dust.
Comfortable Light weight Material: This fabric is stretchable and breathable, keeps you comfortable anywhere. Moreover, it has a unique absorption and perspiration with quick drying function, suitable for outdoors and indoors, which keeps you dry whole the day.
One Size Fits All: The natural length and width is 12in and 9in. High stretchable circumference is about 20-24in.They are durable and stretchy, great fit for heads of all shapes and sizes and teenagers as well as adults of all ages.
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