STEP 1. Measure the below features of your pup:

A (BACK): Measure from the base of the neck to the base of the tail.

B (FRONT): Measure from the prosternum (most forward projection of the chest) to the lower belly.

C (NECK): Measure the widest circumference of the neck.

D (CHEST): Measure the widest circumference of the torso behind the two front legs.

STEP 2. Determine which size is most suitable according to their measurements.

STEP 1. Measure the below features of your pup:

A (BACK): Measure from the base of the neck to the base of the tail.

B (FRONT): Measure from the prosternum (most forward projection of the chest) to the lower belly.

C (NECK): Measure the widest circumference of the neck.

D (CHEST): Measure the widest circumference of the torso behind the two front legs.

STEP 2. Determine which size is most suitable according to their measurements.