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: 7.75"
• Chest: 11.5" (Most Important)
• Neck: 6"

Small

• Back Length: 9.25"
• Chest: 14" (Most Important)
• Neck: 8"

Medium

• Back Length: 11.5"
• Chest: 17" (Most Important)
• Neck: 10"

Large

• Back Length: 13.5"
• Chest: 18" (Most Important)
• Neck: 11"

X-Large

• Back Length: 15.25"
• Chest: 20" (Most Important)
• Neck: 12"

XX-Large

• Back Length: 17.5"
• Chest: 22" (Most Important)
• Neck: 14"

3X-Large

• Back Length: 19.25"
• Chest: 24" (Most Important)
• Neck: 17"