Current recipe is identifcal to the old one. The new runs use the same yarn as the old ones, yarns that are leftover. Therefore not all designs can be had unless someone wants to order 500m or more in which case they can arrange for new yarns to be spun to the colours needed. The same mill and finishers are used as well.
It's a little less porous than Fresco but it's lighter in weight than the 9/10oz Fresco. Rangoon has a smoother finish. It feels less scratchy. This makes it wear as cool if not cooler than the 9/10oz Fresco.