YS

YM

YL

AS

AM

AL

XL

Weight

Up to 35 lbs.

35-65 lbs.

65-100 lbs.

110-135 lbs.

135-170 lbs.

170-200 lbs.

200-225 lbs.

Total Length

17”

18.5”

22”

25.25”

26”

27”

28”

Chest Circumference

24”

27.25”

30”

33.5”

37.5”

41.75”

45.25”