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

X-Small

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

Small

• Back Length: 10.5"
• Chest: 15" (Most Important)
• Neck: 12"

Medium

• Back Length: 13"
• Chest: 18" (Most Important)
• Neck: 16"

Large

• Back Length: 15"
• Chest: 20" (Most Important)
• Neck: 17"

X-Large

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

XX-Large

• Back Length: 18"
• Chest: 25" (Most Important)
• Neck: 20"

3X-Large

• Back Length: 21"
• Chest: 28" (Most Important)
• Neck: 22"

4X-Large

• Back Length: 26"
• Chest: 31" (Most Important)
• Neck: 26"