Outdoor Research Kid's Headware Size Chart
X-Small Small Medium Large
Age 0-1 year 1-3 years 3-6 years 6-12 years
Inches 18½ 20 21 22½
Centimeters 47 51 53 57
These are general guidelines only, sizes are not guaranteed. But no worries, since at Leisurepro we offer our exclusive PFF Guaranty