Get in the zone of summer vibe wearing the beautiful and simple San Diego Hat Company® hat. Features adjustable and removable chin strap. Internal pocket moisture wicking headband. Mesh crown to keep you cool and comfortable all day long. 100% polyester. Spot clean. Imported. Measurements: Circumference: 22 in Brim: 3 1⁄2 in View Zappos.com Glossary of Terms San Diego Hat Company OCM4820