Bedhead Swim Legionnaire hats are so soft and comfortable over the ears and back of the neck making them a perfect baby swim hat. Our swim hats are made of high quality chlorine resistant stretch nylon knit with quick drying ability. Swim hats are best for use in a wet environment - at the beach, lake, swimming pool or splashing about under the hose! If you are looking for a hat for everyday use - we always encourage using our Cotton hats instead (all our hats excluding our range of Swim Hats). A cotton rich hat will be much cooler for everyday use. If only we could all sail away to a tropical island for a while! This one will put you in the holiday vibe though! FEATURES Chlorine resistant fabric – pool friendly Rated UPF50+ Excellent Protection Tested in accordance with Australia & New Zealand Standards 4399 Sun-Smart recommended brim depths (see tab below for measurements) Made from 100% PBT Nylon stretch knit Wash & Wear - gentle cold machine wash and line dry in the shade 'Return to' label to help hats get home safely Stretch chin strap with adjustable toggle NOTE: Chin strap can easily be removed if required without compromising the quality of the hat – you just need scissors!SIZE ADVICE & BRIM DEPTH One fact you can be sure of - no two heads are the same! ALWAYS measure your child's head before purchasing to ensure getting the accurate size. Step 1: Distract the child with a toy or food (so they don't try and help you!). Step 2: Use a measuring tape to take measurement. Otherwise use a ribbon to take the size then use a ruler to find the measurement. Step 3: Purchase the size closest to your childs measurement. Our hats are very stretchy and will grow up to 4cm. FOR EXAMPLE: The child measures 41cms, you will need the 42cm size that will stretch another 4cms up to 46cms - giving plenty of future wear. Purchasing the next size up would be too large and block the childs vision. BRIM DEPTH - LEGIONNAIRE HATS Hat Size Brim Depth 37cm / XXS / 0-3 months 5.5cm 42cm / XS / 3-6 months 6cm 47cm / S / 6-12 months 6.5cm 50cm / M / 1-2 years 6.8cm 52cm / L / 2-3 years 7cm 54cm / XL / 3-6 years 7.2cm