Puzzo Aqua-Dry: Vertical stretch and strong thread "Puzzo + Aqua-Dry" feature allows for quick sweat disposal. With holes to hold; Curly core; Gray on the back of the brim (Sill Lead); Inner adjuster included; Mesh material *White x Navy (01), Red x Navy (09), Engine x White (11), Green x White (15), D Blue x White (66) does not have any standard kids size JJ (48 - 51 cm).