These are marked “somewhat irregular “ but I am not finding flaws in design. I work these days in design/excavation and the DT socks really are a blessing. There are actually other high quality brands that I run in to and I look for just a wool information of at https://shanehbsjy.dailyblogzz.com/33022009/how-socks-for-preemies-can-save-you-time-stress-and-money