Size

Length (cm/ inch)

Neck

Chest

Suit for weight (kg/lb)

S

17/ 6.7''

21-27/ 8-10.6''

39-45/ 15-17.7''

2-5/ 4.4-11

M

23/ 9''

26-37/ 10-14.5''

43-52/ 17-20.5''

5-15/ 11-33

L

28/ 11''

34-48/ 13-18.9''

49-62/ 19-24.4''

15-25/ 33-55

XL

33/ 13''

44-60/ 17-23.6''

64-82/ 25-32.3''

25-40/ 55-88