So I confirmed with Rancourt and there certainly has been no misunderstanding, there is indeed a $150 upcharge to have a leather sole add to classic Gillman camp-moc bringing the total up to $400. Rancourt is offering a 10% off on first orders after you sign to their newsletter which would bring the total down to $360.
I am sure there are economic reasons for the price increase (materials, additional man-hours on custom orders, etc.) but as a customer I do find the upcharge a bit steep; especially considering what other competing manufacturers are offering. I think I will pick the ready-made Cape-cod moc.
Seems a couple years back Rancourt was the company offering better relative value across all Maine hand-sewers but it is a tougher choice these days after price increases and the custom upcharge.
Used to be that they would customize a model for no upcharge at all. Then they started implementing a $50 upcharge, which was reasonable.