Jan & Jul Gro-With-Me® UV Protective Hats grow with your child so you can use it longer. Designed by Vancouver moms, every hat is guaranteed to fit your child with a fully adjustable head drawstring and an adjustable chinstrap. A hat that fits well is a safer hat for an active kid. They make the chinstrap safer by incorporating a break-away safety clip on the strap. The strap breaks apart with a harder pull; simply clip it back when you need the strap again. Features Perfect fit with adjustable head strap. 50+ UPF for great sun protection. Breathable 100% cotton. Neck strap with easy toggle adjustment and break-away clip to minimize choking hazard. Neck strap is also detachable. Packable for easy storage and travel. Available sizes: S: 0-6m, M: 6-24m, L: 2-5Y Materials: Cotton Care: Hand Wash Cold, Lay Flat to Dry