• Gro-With-Me® SMART DESIGN: Baby, toddler and kids’ sun hat with fully adjustable head drawstring. Allows you to size up so you can use the same sun hat for multiple seasons. • UV SUN PROTECTION: UPF 50+ rated breathable cotton sun hat for kids with wide brim and neck flap. Offers all day sun protection and comfort; perfect for any summer adventure at the pool or on the beach. UV rating is due to weave of the fabric, no harmful chemicals or dyes were used. • STAY-ON SAFE: Adjustable chin-strap ensures sun hat stays put with easy toggle adjustment and breakaway safety clip which can be simply clipped back in. • PACK-ABLE: Light weight and easily foldable to fit in any small bag. Perfect for travel. Cotton Adventure Hat 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