To double confirm: I also emailed Orvis customer service, and this was the response: "The Alden Cordovan Shoe (item 5C45) is crafted on the Tremont last. This is similar to the Barrie last. I hope this information is helpful. "
You can. I believe they are $6 per pair of laces with a nominal (or perhaps free) shipping charge in the U.S. I use their waxed boot laces for my stock 403s and they look great.