This will be about extent garments and fragments of garments that can be found in the 14th and early 15th century!
For the moment see the houppelande page for info about the extent Prague Houppelande!
St Louis Shirt-
-Dated to the 13th century, but shown to still be in use during early 15th century Inventories.
-Medieval Clothing and Textiles 11- Artlicle 3- The Shirt Attributed to St. Louis-
-Heather Jones write up of the 14th century St Louis Shirt-