Best Adjustable Childrens Sun Hat! The original sun hat that started the Gro-With-Me® revolution! Jan & Jul's Gro-With-Me® adjustable sun hats grow with your child so they can wear it for longer, thanks to a fully adjustable head drawstring and adjustable chinstrap. The wide brim of the Cotton Floppy Hats is designed to stay up in the front and “flop” to shade the neck in the back. Natural Sun Protection Technology The UV protection on these kids hats comes from the weave of the fabric and construction of the hat. Rated UPF 50+ and safe for kids with no harmful chemicals, dyes, solutions, PFAS or fluorocarbons. Made with 100% cotton for breathable comfort on hot, sunny days. With tons of adorable prints and colours to choose from, your little explorer will love picking their favourite! Details: Grow-With-Me®: Fully adjustable head drawstring and chinstrap 50+ UPF: No harmful chemicals, dyes or solutions added 100% Cotton: Breathable and comfortable Stays On: In windy conditions or when child pulls Safe: Break-away safety clip on chinstrap Sizing: SM: 0-6M, head up to 17.7″ (45cm) MD: 6M-24M, head up to 19.7″ (50cm) LG: 2Y-5Y, head up to 20.9″ (53cm) XL: 5Y-12Y, head up to 22" (56cm)