Has the proper color for this coat been established, or is it another case of screen color vs prop color? As for the fabric, I think it should be cotton. The magnoli one is described as cotton twill, and this thread seems to confirm that fabric choice:
Can anybody point me in the right direction for fabric for Deckard's trench coat? I'm in the very early stages of making one, but I didn't get a whole lot of detail out of the movie or publicity stills I've seen, so I'm a bit stuck. I heard Abbyshot actually did a good job of matching the...
www.therpf.com
Are there other cotton options available for the fabric? I think cotton is going to be a necessity as wool is inaccurate. The edges of your collar also seem slightly too thick to me, at least compared to Deckard's collar in those same screenshots. To be clear, I'm referring to the outer edge of the collar, the line that runs along the top of the ribbing. It looks like it should be narrower, at least to me.