When trying to decide between two sizes, choose the larger size for a better fit.
Pet T-Shirts
Size Length Chest Neck Weight Range
SM 9.25" 15" 10" 5-15 lbs
MD 14.5" 18" 12" 20-35 lbs
LG 17.5" 23" 14" 35-50 lbs
XL 20" 29" 16" 55-70 lbs