100% Cotton Fabric- Features skin-friendly, breathable, moisture-wicking and quick-dry performance for maximizing your kid\'s comfort. Considerate Visor- Wide brim with UPF50+, capable to block harmful UV and protect your kids\' eyes against dazzling sunlight. Professional Chin Strap- It allows your kids to adjust the tightness for securely fixing the hat especially in windy days. Reversible Performance- With fish pattern on one side and tartan pattern on the other side, available for your kids to choose the suitable side to wear. Foldable & Portable- Able to roll into small size and place into your bag to carry around, be a nice partner for various occasions like vacation, mountain climbing, beach, etc.