"For reference: my go-to strap is a Cobra Grip Pro. I am very happy with them and it would take something very nice to get me to switch.
So, how did the Keppi do? This is the second set of straps I've used with the angled wrist straps, and they were by far the better of the two sets.
My wrist is 8.0"" and the large works fine for me.
The rubber grip is fairly stiff when new. Will this soften up with time? Not sure yet.
I should also add that I have long hands. As a result, the grip feels short.
If I wrap the grip over the bar, it works fine. If I try to wrap it under the bar, it feels too short.
I find that the angles wrist straps works fine, and actually feel better, to a point. With heavy weight - say over 400lbs, I can no longer use this design. I find that it puts a lot of pressure on my thumb joint.
Overall, I would say these are pretty good. I can sue them for pullups and most back pull exercises.
I won't use them for deadlifts though.
These will not be my go-to choice. They do seem above average though, and I expect that quite a few people would be happy with them."