Protect your head from the sun! This stylish cotton sunhat is perfect for blocking the sun's rays and keeping your brain cool. It is also reversible bucket hat, You get two hats in one. This is a great hat to wear to the beach, on a picnic, or anywhere! This is hat will fit a head up to 59 cm. To measure your head (or your friend's head, or the head of that neighbor whom you've always wanted to give a hat): Measure the circumference of your head just above your eyebrows. You want the hat to fit snugly enough to keep it from falling off without being super-tight. If you have poofy or curly hair, consider your hair as part of your head size--if you push your hair down too much when measuring your head the hat will not fit properly.