Good, but not great
I like the sling/pouch design as it really does present your manhood, however I find the back strap to be less than comfortable. I'm not sure why, but this is the only thong from JA that has an inadequately short back strap which I can only bear to wear for short periods of time. Furthermore, after buying 5 pairs of these I am also disappointed in the consistency as one pair had the back strap sewn incorrectly, and another had a larger sling that doesn't lift very well while also having a longer back strap that is comfortable compared to the rest. Try again JA, I'd love a good thong to work out in.