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).

Size 0

• Back Length: 9"
• Chest: 12" (Most Important)
• Neck: 7"
• Hood Length: 2"

Size 1

• Back Length: 10"
• Chest: 12"-14" (Most Important)
• Neck: 6"-9"

Size 2

• Back Length: 11"
• Chest: 14"-17" (Most Important)
• Neck: 7"-11"

Size 3

• Back Length: 15"
• Chest: 10" (Most Important)
• Neck: 9"
• Hood length: 3.5"

Size 4

• Back Length: 12"
• Chest: 17" (Most Important)
• Neck: 11"
• Hood Length: 4"

Size 5

• Back Length: 16.5"
• Chest: 22" (Most Important)
• Neck: 15"
• Hood Length: 5"