Just pay more and get something better
Cheap vinyl shoes is the best description for these. They have absolutely ZERO ventilation so I started having chronic Athlete's Foot when I wore them. In a word? Avoid.

Terrible Shoe
These shoes really are terrible. I used them for several differant martial arts activities ranging from demonstrations to kickboxing. I wouldn't recommend them for anything. Poorly constructed and feels terrible on your feet.

Worst shoe ever.
This is the worst, most uncomfortable shoe I have ever worn.

low cost, low quality
These shoes come in a nice container, with a see-through plastic window, that can be zipped closed, for carrying the shoes to and from the dojun.

The rubber soles start to peel away from the toe of the shoe within a month or two of usage, as there is only a little glue holding the sole to the shoe.

There is no arch support, and that makes this shoe fatiguing for me.

The leather top is fine; but heat builds inside due to lack of ventilation. It is better to get a wrestling shoe with superior construction and ventilation.