Size weight range neck back length girth
Extra Small (XS) Up to 8 lbs 10.5 circumfrence 6 to 9 inches 10 to 13 inches
Small (S) Up to 15 lbs 11.5 circumfrence 9 to 12 inches 13 to 15 inches
Medium (M) Up to 25 lbs 14 circumfrence 14 to 18 inches 15 to 20 inches
Large (L) Up to 40 lbs 17.5 circumfrence 20 to 24 inches 25 to 30 inches
Extra Large (XL) Up to 60 lbs 20 circumfrence 22 to 26 inches 25 to 30 inches
Extra Extra Large (XXL) Up to 120 lbs 22 circumfrence 24 to 28 inches 30 to 35 inches

All sizes in inches unless otherwise noted.

Pet measuring guide

Grab that tape measure! The perfect pet apparel starts with the perfect fit.

Use the tips & visuals in this guide to learn how to measure a pet accurately and easily. If your pet is between sizes, we recommend going up a size for the pet costume that fits best.

How to measure

  • Length

    Run tape from the base of your pet’s neck, at the collar, to the base of their tail, where the back ends and the tail begins.

  • Girth

    Start at the widest part of your pet’s chest, right behind the front legs. Don’t forget to leave a little wiggle room!

  • Neck

    Measure where your pet’s collar naturally goes. Remember to leave a little slack. Two of your fingers should comfortably fit underneath the measuring tape.