I've owned a lot of harnesses, as most people who USE harnesses have. I've owned everything from unknown brands to Vac-U-lock and none of them come close. This harness fits perfectly and is especially good for people with larger builds as it doesn't rub the way typical nylon harnesses do. The hold is much more effective. Where most harnesses leave space enough that you feel the toy coming away from your body during use, this one hugs it tightly to your body. It is also fine to use with double sided toys.
If you are looking for a harness that feels like wearing nothing? This is the harness for you. 10/10 would recommend.