HAT SIZE: The casual style unisex hat size available from 22-23''?58cm?which fit most teens and adults. Wide brim and screened side vents are designed to keep you cool in the blazing sun. Very practical and classic decoration sewn webbing around crown designed. With two eyelets on each side, good for breathability. | SUN PROTECTION: UPF 50+ excellent sun protection. Provide you better protection from sunshine and damaging rays for face and neck. Around mesh can promote airflow to keep your head cooler, built-in anti-sweat band can eliminate sweat from the head, which can protect your face. You can use it as a fishing hat, hiking hat, hunting hat, safari hat, golf hat or just daily yard work hat. | ADJUSTABLE AND FOLDABLE: This boonie hat is equipped with an adjustable chin drawstring to hold the hat in place on windy days and to ensure a secure fit. Our hat is made by High-quality material, light weight and comfortable. The hat can be folded into a small piece, which is very convenient to put it in your bag or pocket. | GOOD DESIGN WIDE BRIM HAT: The well-designed summer outdoor hat has two ways to use it. Both sides are equipped with rust-proof buttons. When the brim is rolled up, it is a cowboy hat. Loosen it, will be a fashionable sun-proof fisherman hat/safari hats for men and women. | THE PERFECT GIFTING IDEA: Our boonie caps make the best gift for your loved ones! Offer a colourful or plain camo boonie cap to friends, family or just a dear co-worker on their birthdays, on Christmas or on every occasion and enjoy their ear-to-ear smile upon unwrapping this stunning gift! If you have any questions or difficulties, please contact us, we'll be glad to help you.