All-day sun protection for head, neck, and eyes Our full-coverage adventure hat with extra neck and shoulder protection keeps your little one covered all day, reducing sunscreen application in those areas. UPF 50+ sun protection Our UPF 50+ hats offer the highest sun protection available, blocking 97.5%-99+% of harmful UV rays. Lightweight, quick-dry material keeps little ones comfortable. Our sun protection hats are made from soft, microfiber material with a wicking liner to pull moisture away from skin to keep kids cool. Adjustable back toggles to grow Adjust for a custom fit and to grow for longer use. Breakaway chin strap for safety Adjustable chin strap to keep our adventure sun hat safe and in place. Meets STANDARD 100 by OEKO-TEX certification OEKO-TEX is a global certification system you can trust. Our sun hats have been independently tested against a list of over 350 harmful substances for your childs health and safety. Label: SH020 131584 TESTEX.