Introducing REBELBRO. Headwear for everyday or waterside wear.The Orion x Hydro is waterproof, lint proof and traditionally structured with snapback rear. Water Resistant splash pad + pool proof! Lint Resistant because black hats are notoriously lint magnetics. Durable highest quality materials to withstand toddler life. Floatable check it out for yourself! pool tested. Light Weight + Moisture Wicking ultra lightweight water friendly fabric, keeping your little one cool in the hot months.NEWBORN 0 to 6mINFANT 6m to 14mTODDLER 12m to 3YYOUTH 3Y to 6YJUNIOR 6Y+True to size fit.