This wide brim floppy style grow with me sun hat features a draw string head adjustment and adjustable chin strap ensure the perfect fit - for longer use. Created with 50+ UPF rated breathable cotton and a wide brim that is strengthened to stay up. UV rating is due to the weave of the fabric. Stay-on: The chin-strap ensures this hat stays put. Safe: Designed with a break-away safety clip on the chin-strap. Pack-able: This hat is light weight and easily foldable to fit in a pocket for easy storage and travel. Sizing: S: 0 – 6 months, head up to 45cm (17.7″) with 6.5 cm wide brim M: 6 – 24 months, head up to 50cm (19.7″) with 7.5 cm wide brim L: 2 – 5 years, head up to 53cm (20.9″) with 8.0 cm wide brim XL: 5 – 12 years, head up to 56cm (22″) with 9.0 cm wide brim Item Number: 98-632 Item ID: 270014 Category: Floppy sunhat