This sturdy Canvas Bucket Hat is not only great for boating, but works well for the Beach, Gardening, and any other activity that brings you out into the sun. Made of 100% high quality cotton, the bucket comes in medium & large to fit between (22 ") and (26") head circumference. An elasticized adjustable cording allows for individual sizing plus security against a gusty breeze. To determine your size measure the circumference of your head just above the ears and across the middle of the forehead. Match the measurement to the corresponding size as listed. If in doubt buy the size larger. Each size allows one inch wearing ease.