It fits perfectly on his 55lb gsd frame. Easy to adjust. My pup seems to walk fine in it and i feel more in control.

The buckles are strong and the straps don't hang all over the place. It has a nice little compass on the top. The no pull hook up on the chest works great. It is very durable however and the metal buckles lay flat unlike other vests with plastic clips...  Read More

I hope this review helps the next person.

This harness leash works well on my corgi, who is small but has a big mantle. My mini dachshund walks well with this. Any concerns i had that he might * the loop from the main piece were put to rest after several walks.