Fit Most - recommended for head circumference of about 22.4-22.8 inch (57-58cm). A hidden drawstring in our wide brim hat offers an adjustable, comfortable fitGreat Sun Protection - Our sun hat features a floppy wide brim (3.1inch) and UPF 50+ UV sun protection. Its wide brim provides the perfect shade for your face, neck, and ears. Helps protect your skin from the hot and harmful sun rays and keep your skin pretty and healthy. The wide brim offers a greater range of sun protection and is a daily life essential for women of all agesAdjustable Chin Strap - Extra wide brim sun hat helps protect your face from the sun and the detachable chin strap helps secure hat in place on windy days. The chin strap is easy to attach and detach. Includes a sweat wicking head band inside the beach hat to prevent sweat from dripping into your eyes as well as to keep you cool and comfortable throughout the whole summer seasonPremium Paper Straw - Our wide brim straw sun hat is made of high-quality, eco-friendly, lightweight, breathable, and comfortable paper straw. Tightly woven straw design offers added durability. This women's beach hat perfectly matches with a variety of outfits such as dresses, swimsuits, bikinis, and shorts. An absolute must-have accessory in your wardrobeFoldable and Packable - Lightweight and foldable floppy straw beach hat can be rolled up and tucked into your beach bag or suitcase; Super convenient summer hat to carry on the go and easy to store away. Great accessory for all your outdoor travels such as playing at the beach, camping, walking in the park, gardening, etc