Our Sydney Sun Hat is one size fits most and is best suited for women with average head sizes. It provides total head coverage for women with hair loss due to cancer, chemotherapy, alopecia or other types of hair loss conditions. It is also a great choice for women with hair because it is just so fashionable. The gorgeous toast color of this hat is the perfect neutral for summer and will look great with just about anything in your wardrobe. Wear it poolside with your favorite bathing suit, to the beach, with a sundress, or just for a stroll in the park. We just know you're going to love this fabulous summer look!