How To Measure

Size Guide

Not sure which size to pick? Measure your pet and match the number to the closest size below. When in doubt, size up for comfort.

Size Chest Girth Approx. Weight
XS 10″–14″ Up to 10 lbs
S 14″–19″ 10–20 lbs
M 19″–25″ 20–40 lbs
L 25″–32″ 40–65 lbs
XL 32″–40″ 65–90 lbs

Measure around the widest part of the chest, just behind the front legs.

Size Neck Girth Approx. Weight
XS 8″–11″ Up to 10 lbs
S 11″–15″ 10–20 lbs
M 14″–20″ 20–40 lbs
L 18″–26″ 40–65 lbs
XL 24″–32″ 65–90 lbs

Measure around the middle of the neck, where the collar naturally sits. Leave room for two fingers between the tape and your pet’s neck.

Size Back Length Approx. Weight
XS 8″ Up to 10 lbs
S 10″ 10–20 lbs
M 12″ 20–40 lbs
L 14″ 40–65 lbs
XL 16″ 65–90 lbs

Measure from the base of the neck to the base of the tail, along the back.

Size Chest Girth Neck Girth
One Size 12″–16″ 8″–12″

All straps are fully adjustable to fit most adult cats comfortably.

How To Measure

  • Chest: Wrap the tape around the widest part of the ribcage, just behind the front legs.
  • Neck: Wrap the tape around the base of the neck, where a collar would naturally sit.
  • Back Length: Measure from the base of the neck to the base of the tail.