The Kids Legionnaires Sun Protection Hat is designed to protect your child from the harsh Australian sun. It is made from 100% polyester and has a head depth of 10 cm, a brim width of 11. 5 cm, and a neck flap of 18. 5 cm. It has an adjustable head circumference of 48 55 cm, suitable for most kids' head sizes. The Kids Legionnaires Sun Protection Hat has been designed specifically for the harsh Australian sun and the crown, brin and flap material are UPF50+ rated. It blocks UVA and UVB rays and helps protect skin. The neck flap is optimized to protect the neck and shoulders and has breathable mesh on both sides to keep your child cool in the summer. The surface of the Kid's Legionnaires Sun Protection Hat is made from professional outdoor waterproof fabric and is tightly stitched on the brim for excellent waterproof performance. The moisture absorbing sweatband perimeter is quick drying and skin friendly, keeping the head refreshed for a comfortable experience. The sweatband fabric is superior in breathability compared to standard fabric. The Kid's Legionnaires Sun Protection Hat has an adjustable tightening strap to fit various head sizes and can be easily rolled into a 10 cm tube for safe storage.