Cotton Xplorer Cap Features:  Size Adjustable: Classic snap-back adjustment ensures perfect fit  and prolonged use for growing babies, toddlers and big kids  50+ UPF Sun Protection: Six panel design made from 100%  lightweight, breathable and UPF50+ rated natural cotton  All-Day Comfort: 100% cotton liner and inner cotton headband  absorbs sweat and keeps head cool  Stylish: Comfortable fit with the perfect sized brim, the  Xplorer Cap features original Jan & Jul prints loved by boys  and girls!  Sizing: Head circumference  M (6 - 24 months): 42cm - 49cm (16.5" - 19.3") L (2 - 12 years): 48cm - 56cm (18.9" - 22")