These Northerner 3-eyelet rubber pac boots are for made for men, women and boys with narrow feet. Lightweight 12-1/2" over-the-sock insulated pac is 100% waterproof to the boot top. Polymeric foam insulation keeps feet warm even in the coldest weather. Cork-cushioned insole also has layer of wool felt for added insulation. Aggressive non-slip outsole. Specify size: Men's narrow width (B) in whole sizes 6-13 from the selection box above. USA made.