• All-day sun protection: Outer material of 100% polyester and inner lining of 100% cotton, breathable and soft. • UPF 50+ Sun protection: Blocks 99% of harmful UV rays. • Baby care design: Wide brim protects the baby's head, neck, and face from UVA/UVB rays. High quality that maintains its shape after washing. • Adjustable: Adjustable head size, ideal for a growing baby. The chin strap keeps the hat in place. • Occasions: Easy to match with baby clothes, ideal for the beach, pool, and any outdoor activity.