The pouch style keeping your penis separated from your scrotum/testicles is nice. The fabric feels to be good quality and the stitching seems strong. The pouch for your penis is comfortable and stretchy enough to make room. However, since it's sewn in the "pointing down" position, when you get the random erections you have to reposition your penis by hand back through the hole and inside the underwear but pointing up, or lift the flap and position it outside the penis pouch and pointing up.
This isn't really a con against the underwear, nor is it even unusual though because pretty much all pouch underwear is only designed to hold you comfortably when flaccid.
My only counter point would be that the scrotum/testicle pouch is way too small. It really needs to be a lot deeper pouch that allows your scrotum a lot more room. Both my testicles don't fit in it at the same time so one of them kinda moves around and gets squished like it would in underwear without a pouch. Also, the scrotum pouch so shallow that the skin of my scrotum kind of "spills out" in all directions and sticks to me. A much deeper, larger pouch for the testicles would be a huge improvement.