Features: -Gro-With-Me®: Fully adjustable head drawstring and chinstrap -50+ UPF Protection: 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 Size charts: S: 0 – 6 months, head up to 45cm (17.5″) with 5.5 cm wide brim M: 6 – 24 months, head up to 50cm (19.5″) with 6.5 cm wide brim L: 2 – 5 years, head up to 53cm (21″) with 7.5 cm wide brim XL: 5 – 12 years, head up to 56cm (22″) with 7.5 cm wide brim About the brand At Jan & Jul, they want your kids to get outside and play no matter what the weather! Their clothing is for active on-the-go explorers and nature loving kids.