Size Information:
XS: Neck 8.7” Chest 9.4”-12.2”
S: Neck 10.2” Chest 12.6”-17.3”
M: Neck 12.6” Chest 15.4”-22.0”
L: Neck 14.2” Chest 19.3”-26.8”
Important Sizing Note: The following measurements are the dimensions of the actual product, not of the pet they fit. After measuring your pet, make sure all measurements fit within the following dimensions (with a little room to spare in the chest and neck).