Youth M-65 Field Jacket Sizing Chart
Good rule of thumb on sizing - If your Young Marine is wearing the Young Marines BX Military Spec Youth Uniform they will wear the same size field jacket. Size 12 uniform will be a XL Field Jacket. If your Young Marine is wearing the Non-Military Spec Uniform with Buttons showing the sizing is different, you will need to measure and follow the chart.  

                                       M-65 Field Jacket Sizing - Approximate

Size

Back

Sleeve

Chest

X-Small   4-6

24”

18”

35”

Small    7-9

25”

19”

36”

Medium   9-10

27”

20”

37”

Large  11

28.5”

21”

38.5”

X-Large 12-14

30”

22”

40”