Italien Greyhounds with a neck circumference of 20-26 cm will find the perfect fit in Collars (XS), Ponchos (Size3), and Vests (Size3) and Italien Greyhounds with a neck circumference of 27-30 cm will find the perfect fit in Collars (S), Ponchos (Size4), and Vests (Size4).

Some dogs, like Italian Greyhounds, have smaller necks relative to their body length. As a result, it's often better to size up when choosing ponchos and vests.