You can see an in-depth gallery from the days filming here
Peter continues to wear the new VELVET FROCK COAT with blue lining.
Under this is the new HOODIE TOP, as worn before.
Below that is a new DARK BLUE WAISTCOAT, worn with only the top button done up. It has a laid in collar and flapped pockets. Very fancy.
Under that appears to be a navy blue or BLACK T-SHIRT, and under that there could even be a further LIGHT BLUE T-SHIRT (if you look closely there is a flash of this at his waistline.
You can read a couple of good press reports on the filming, with accompanying photos, here