OUR MEDIUM SIZE FITS MOST ADULTS: head circumference about 21-23 inches.
PERFECT PROTECTION:This Outdoor Sun Hat has a wide brim and neck flap to protect you well from the blazing sun. Offering UV protection for your face, ear, and neck. And comes with adjustable draw string to secure it in windy days.
GREAT VENTILATION: Cotton fabric for better cooling and airflow, make your head and neck cool and comfortable all the time
OCCASION-camping, hiking, gardening, traveling, fishing, boating, hunting, safari, beach, pool, doing yard work and field research or any other outdoor activity for all seasons use