It’s not as lightweight as other ones but it is reliable and strong. And adjustable. My dog is a hefty 100+ american lab. I have two full grown huskies that think they are pulling an entire dog sled behind them.
Cats were securely fitted and had no mobility issues. Easy velcro on and off and the latch is easy to make harness secure.
After 2 months he steps into the front paw holes which are large enough for his polydactal paws. My pom is 15 weeks and weighs 4.