Note that underfacing E may be cut of rubberized material. You can see the outline of the underfacing on pieces L, F, and H.
The finished length of the jacket is about 34". The pattern is not printed. No fabric recommendations are made, though interestingly, the layout is given for 54" material only.
This was probably meant to be worn with Pictorial Review 1438, Ladies' Riding Breeches.