Originally Posted by NOLA1
These run about 1/2 size large.
I've got both the shell Marlows as well as the pebble grain Ash which I believe is on the same last. In both shoes I wear my regular 12D and I think I have the right size. I would like them to perhaps be a tad smaller, but when I tried on the Ash in an 11-1/2 some time ago I thought it was too small.
I've vote they are true to size, assuming you're going to wear a thick pair of socks to match the heft of the shoes...they are gunboats.