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: 6.75"
• Chest: 10" (Most Important)
• Neck: 8"

X-Small

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

Small

• Back Length: 10.75"
• Chest: 14" (Most Important)
• Neck: 13"

Medium

• Back Length: 13"
• Chest: 17" (Most Important)
• Neck: 15"

Large

• Back Length: 14.5"
• Chest: 20" (Most Important)
• Neck: 18"

X-Large

• Back Length: 17"
• Chest: 23" (Most Important)
• Neck: 19"

XX-Large

• Back Length: 18.5"
• Chest: 25" (Most Important)
• Neck: 20"