Newborn (13-14 inches)
1-3 mos. (14-15 inches)
3-6 mos. (15-16 inches)
6-12 mos. (16-17 inches)
1-2 yo. (17-18 inches)
3-5 yo. (18-19 inches)
6-9 yo. (19-20 inches)
Teen/Adult S (19-21 inches)
Adult M (20-22 inches)
Adult L (21-23 inches)
Adult XL (22-24 inches)
Quantity