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

X-Small

• Back Length: 12"
• Chest: 14" (Most Important)
• Neck: 11"

Small

• Back Length: 13"
• Chest: 16" (Most Important)
• Neck: 12"

Small/Medium

• Back Length: 14"
• Chest: 18" (Most Important)
• Neck: 14"

Medium

• Back Length: 15"
• Chest: 25" (Most Important)
• Neck: 15"

Large

• Back Length: 19"
• Chest: 27" (Most Important)
• Neck: 17"

X-Large

• Back Length: 24"
• Chest: 33" (Most Important)
• Neck: 25"