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 child’s health and safety. Label: SH020 131584 TESTEX.