Women's cap designed to be worn in extreme heat. The internal built-in sweatband made of cooling Iso-Chill material and mesh panels will be appreciated not only on the golf course. One-size model with the possibility of additional modification. durable woven fabric provides flexibility and a great wearing feel stretch mesh back panel and laser-perforated side panels for versatile ventilation Iso-Chill material helps dissipate body heat, making it cool to the touch adjustable buckle closure