I am thrilled to bits with my PerfectFit harness! I have a young female corgi and I have been struggling since she’s grown into an adult to find a harness that accommodates her deep chest and doesn’t cut into her armpits, she always seemed to be in between sizes. I also wanted a pretty yet practical coloured harness for her, but felt I had to sacrifice design for comfort. I contacted the company for some guidance around sizing and they were absolutely fantastic, giving me such a detailed response and reassurance that I decided to make the purchase. The harness fits her so well! It sits really central on her chest and comes far enough back under her chest that the straps are nowhere near her armpits. The added bonus is the underside of the harness is black so it hides the mud (essential for corgis!) and the top is a lovely pretty lilac colour so I’ve got the best of both worlds. Highly recommend these harnesses and the customer service of this company.