Material This women's sun hat is made of high quality cotton and polyester, very light weight, breathable, soft, durable, and helps keep you cool in the sun. UV protection This Wide Brim beach hat will give you fine protection from the sun, lightweight and stylish, the brim is large enough to keep the sun off, blocks most sun UV rays and provides excellent full coverage of the face. One Size Fits Most This casual visor hat's head circumference about 22.9", the elastic band behind this hat makes it fit your head size perfectly. One Size Fits Most. Read more