As stated in the item description, the feeling of stuffiness on the foot is considerably reduced. It seems that the deodorizing property is also high. However, since there is almost no impact absorbing power, even if you do not move much machine operation standing work, if you do it for half a day, your feet will hurt and it can not be helped. I tried hard and tried using it for about half a month, but an octopus has been made on the sole of the foot. In addition, due to the hard material, fibers of the sockets caught in the air hole and the hole was opened in some cases. Although it may be good to think that it is exclusively for desk work ....