No slouching in this hat smart, tough and meets all Australian standards for sun protection. Available in 53cm, 55cm, 57cm, 59cm and 61cm sizes. Product Features: 65% Polyester / 35% Viscose, Cord with slide toggle, Metal eyelets, Padded cotton sweatband, Meets Australian Standards AS/NZS 4399, UV protection information label attached, UPF rating 50+ Excellent Protection". Product. Colours: Bottle, Maroon, Navy, Red, Royal Size: 53, 55, 57, 59, 61