The Women's Wide Brim Floral Hat with Brim Extension sun hat is perfect for keeping you protected from the harsh sun while looking stylish. It features excellent UV protection, with a fabric blend of 80% cotton and 20% polyester that has been tested and rated UPF50+. The Wide Brim Floral Hat with Brim Extension also has a detachable brim extension that allows for 3 different wearing options: a standard 9cm wide brim for casual wear, an extended 17cm wide brim for extra sunny days, and an inverted floral pattern brim for a trendy look. Standard head circumference size of 54 58 cm. In addition to its fashionable design, the Wide Brim Floral Hat with Brim Extension is also designed for convenience. It's easy to pack and take with you on the go, thanks to its foldable brim edge that can be easily stored without losing its shape. The hat also has moisture wicking and breathable properties, which helps keep you cool and comfortable by moving sweat to the surface of the fabric and quickly ventilating moisture.