Here are Moanataur's ratings and reviews. These ratings are useful because Moanataur has his/her own standard and will rate and review the ping pong equipment accordingly, giving you accurate and useful ratings and reviews to aid you in your next online purchase.
These shoes are incredibly grippy, as well as very flexible and light. I wouldn't use them for extended training sessions due to the lack of support, and they are probably too grippy for normal playing conditions. However, if, like me, you play in leagues where you sometimes have to deal with poor playing conditions [ie slippy floors] these shoes are absolutely amazing. Probably work best as an emergency shoe to be kept in the bag for such occasions.