Size Chart
Size
Back
Chest
Neck
00
5½"
8-9¼"
5½-6½"
0
7¼"
9¼-10¾"
5½-6¾"
1
8"
10½-12"
6½-7½"
2
9¼"
12-14"
7½-8¾"
3
10¾"
14-16"
8¾-10½"
4
12½"
16-18½"
10½-12"
5
14"
18½-20½"
12-13½"
6
16"
20½"-23¼"
13¼"-15¼"
