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).

XX-Small

• Back Length: 5.5"
• Chest: 10" (Most Important)
• Neck: 7"

X-Small

• Back Length: 7.5"
• Chest: 12" (Most Important)
• Neck: 8"

Small

• Back Length: 10"
• Chest: 14" (Most Important)
• Neck: 10"

Medium

• Back Length: 11.5"
• Chest: 17" (Most Important)
• Neck: 12"

Large

• Back Length: 13"
• Chest: 19" (Most Important)
• Neck: 13"

X-Large

• Back Length: 16"
• Chest: 21" (Most Important)
• Neck: 14"