I'm looking for this in a size Small. Haven are sold out. http://shop.havenshop.ca/collections/engineered-garments/products/19-century-bd-shirt-tattersall
The Tattersall is available in Blue, White and Yellow. I don't know if the one on Haven is the blue or white, but any of them will do.
EDIT: Found the blue one, anyone know where to get the white? TIA.