https://www.amazon.com/Sorel-Mens-Caribou-NM1000-Boot/dp/B000BQ87RG/ref=sr_1_3?crid=93I5WJCKTG95&dchild=1&keywords=sorel+boots+men&qid=1605319737&s=apparel&sprefix=sorel%2Cfashion%2C391&sr=1-3
Wore these for years working seismic, get an extra set of inserts to alternate.