Babies have thinner skin that is more vulnerable to sunburn than adult skin and special care must be taken to ensure that it's well protected from the sun, our solid bucket sun protection hat is made out of a upf 50+ fabric, we have included a tie closure under the chin except on the just born size. The hat not only looks great, but offers excellent sun protection and is quick drying. Summer must-have bucket hat for toddlers kids playing at the beach or in the backyard, go to fishing, safari, traveling, camping, boating etc. Our hat has a 4-5cm wide brim and chin strap to shield your child's face, ears and neck from the harmful rays of the sun.