Alden doesn't make lasted shoe trees, so you would use the same trees regardless of last. I believe the Alden branded trees that you can buy from any Alden retailer are made by Rochester. Allen Edmonds uses Woodlore trees, which can be purchased at Nordstrom Rack. During a Jos A Bank sale I think you can get 3 trees for the price of one. I think they are Woodlore, but I'm not sure.