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).

X-Small

• Back Length: 7.5"
• Chest: 12" (Most Important)
• Neck: 10"

Small

• Back Length: 9"
• Chest: 13" (Most Important)
• Neck: 11"

Medium

• Back Length: 11.5"
• Chest: 14" (Most Important)
• Neck: 12"

Large

• Back Length: 14"
• Chest: 15" (Most Important)
• Neck: 14"

X-Large

• Back Length: 15"
• Chest: 20" (Most Important)
• Neck: 16"