Simply the best kids sun hat we have found. It is UPF50+, most importantly it keeps the sun off your child's face and neck allowing them to play safely in the sun. The Kids Play Hat is stain resistant, water repellant, has a floatable brim, breakaway chin strap for safety and is adjustable to suit your growing child. Free delivery on all our sun hats! Sizing Small/Baby fits 6 - 24 months (49.5cm to 54.5cm)Medium/Child fits 2 - 5 years (51cm - 56cm)Large/Youth fits 5 - 12 years (54cm - 58cm) See last image for how to measure (widest part of head: around forehead and above ears). Sizing is adjustable for perfect size even as your child grows. Features 2¾" - 3¾" Down-Sloping Brim With Floatable Foam Core (Brim Length Depends On Size) Full 5½" - 6" Neck Veil For Protecting Back Of Neck (Veil Length Depends On Size) UPF 50+ Certified Sun Rating (Mesh Vents Not Rated) Strategic Mesh Ventilation On Child & Youth Sizes Water Repellent/Stain Resistant Packs Flat For Travel Smartstrap® Breakaway Chinstrap Technology on Child & Youth Sizes for child safety Your child can wear comfortably in a pram as folds flat at the back Adjustable Sizing to get the perfect fit even as your child grows Weight: 51 grams Care and Content Fabric content:Solids: 100% Nylon / Prints: 100% PolyesterWashing and care instructions:Hand wash cold, do not bleach, line dry, do not iron, do not dry clean.Packing Instructions:Packs flat for travel. Do not fold or crease brim.