Am able to report width difference of a size 9 if that helps. The 9 Wide is 4&3/8" (11.1cm) wide at the widest part of the forefoot. The 9 Regular is 4&1/8" (10.5cm) wide st the same point.
Answered on 11/28/2016 7:55:54 PM by allroad from mountains and high desert
Sorry mine are a 9.5 regular size and this seems to correspond to a "d" width.
Answered on 11/28/2016 8:38:10 PM by Gary the skier from Idaho
I own a pair of Alico Belluno Hiking Boots in size 10D. They measure 4 3/4" at the widest part of the OUTSIDE of the boot. I wear size 10D in ALL hiking boots that I own and the Alico fit the same as boots from other manufacturers.
Answered on 11/28/2016 11:03:22 PM by Miket156 from PA
I use a medium width boot, so not sure I can answer this question. However, I order one half size larger, so I can put a second insole in the boot. This not only further cushions my foot, but also keeps moisture and cold away from my foot. You may want to consider just adding n insole that will help support and keep your foot warm.
Answered on 11/29/2016 7:12:57 AM by The farmer from Adrian
The outside width of the boot at the bottom of the laces (not including the sole) is 4 1/4".
Answered on 11/29/2016 9:24:56 AM by Anonymous from St. Louis
I don't know if this helps but I've had two pairs of Italian hikers, both were 1/2 size smaller than I wear from other brands.
Answered on 11/29/2016 1:18:11 PM by Merlin from California
Thanks everyone for your help, I ended up exchanging the for the 10w and was still able to add a felt insole (after removing the factory one). That is a great idea, thanks.
Answered on 12/6/2016 5:28:59 AM by Jason from Michigan from Michigan