Outdoor Research Voyager Rain Hat (junior)

Waterproof, breathable kids rain hat with a large brim. There is a cord at the back of the head that can be tightened for the perfect fit, and the breakaway chin strap will release if pulled too hard. Magnets on the side of the brim allow the child to wear the hat outback style. 

Small: age 1-3, 51 cm circumference
Medium: age 3-6, 53 cm circumference
Large: age 6-12, 57 cm circumference