As it happens, What Price Glory sells a reproduction of this exact parka! Could be a good options for a 'close enough' cosplay. And the price isn't bad! https://onlinemilitaria.net/products/9562-us-mountain-troops-reversible-ski-parka/ Funny you mention their listing. I'm considering buying it and ...

Hey everyone! I've been trying to find the parka used for the Himalayan Battleship teaser we got for 'Indiana Jones and the Great Circle', but have had no luck so far. I've looked at the US Army's Reversible Ski Parka (https://themajorstailor.com/products/deadstock-us-army-ww2-reversible-ski-parka),...