Circo Baby Sun Hat Aqua Blue ~ Sun Protection with Chin Strap (Infant 12/18 Months) 100% Cotton Circo baby sun hat -- aqua blue with white trim. Your baby will look so cute in this sun hat with chin strap! Fun aqua polka dot design. Fully lined with chin strap to help keep hat secure. Brim provides sun protection. Shell: 100% cotton. Lining: 65% polyester, 35% cotton. Hand wash cold with like colors. This sun hat for baby girls and boys provides protection from the sun. Perfect for any outing.