Yes, the Asolo last suits the narrower foot; which is why I wear them. In a pair of Clarks shoes I'm a 10 1/2, in Asolo boots I'm a 12, so trying something rather bigger than you might think is the way to go.
In reply to KA:
Hi Ken I had a pair and they are definitely for the narrow foot. Scarpa boots are a lot better if you have a slightly wider foot.
Hope this helps.
In reply to The Patriot: Cheers, I've got some Phantom Guides, but saw these, which seemed to be a good price (use code: CYBERM15 for a further 15% off today):