the foam sole in the shoe is getretten flat after a few weeks by the shoe is no longer as convenient as at the beginning you have to go after a time they replace then again everything is ok. As new I recommend because the gel soles of Ironman otherwise the shoe is very good. Promote yourselves but to inquire whether you really shoes with perforation sole need for some bearing work ranges S1. A Through sole is also more expensive and less comfortable who does not need it should refrain at work just ask.