SIZE INFO Four sizes for your choice Head Circumference 612 months 18948cm 1224 months 19750cm 24T 20552cm 48 Years 21354cm The age recommendation is only for reference you can choose size selection according to your babys head girth 98 SUN PROTECTION All our baby sun hats are made of highquality polyester which is more skinfriendly and comfortable UPF 50 sun protective fabric material can block up 98 of harmful UVA and UVB Rays Also the breathable mesh lining greatly makes your babys head cool dry and ventilated FITS WELL SAFE Our baby hats chin straps and head straps offer a customized fit and adjust as your baby grows Chinstrap feature protects the hat from being blown away on windy days and specifically designed to help prevent choking CUTE EASY MATCHING Because hats with various patterns are very easy to pair with any baby outfits wide brim baby bucket hat is a musthave accessory for baby in summer Besides wide brim design covers and protects your babies face neck area from the sun SUITABLE OCCASION These infant hats are Lightweight Foldable So the baby boy hats are super convenient to pack into your bag Perfect for wearing at the beach picnicking at the park strolling down the pier and other outdoor activities