Size Chart

  Neck Chest Length Weight
XXS 7" 8.5" 5" 1-2lbs
XS 8.5" 10.5" 6" 3-5lbs
S 10" 12.5" 7" 6-8lbs
M 12" 15" 8.5" 9-12lbs
L 13.5" 17.5" 9.5" 13-16lbs
XL 15.5" 18.5" 10.5" 17-22lbs
XXL 17.5" 21.5" 12" 23-45lbs