https://www.ebay.com/itm/Rare-Sample-Vintage-Nike-AirMax-Mule-Slip-on-Wms-Size-US-10-5-UK-8-EU-42-5/273035779227?_trkparms=aid=111001&algo=REC.SEED&ao=1&asc=20131017132637&meid=5bd2abd0531745299b6d3769f4d81c6d&pid=100033&rk=2&rkt=2&sd=272991953098&itm=273035779227&_trksid=p2045573.c100033.m2042 nike called this cut a "mule". i remember it from the 2000s but not this particular model. it seems that it may be a womens shoe. also found another result that said it was a tailwind mule from 2000.