From Vogue Patterns:
Loose-fitting, unlined coat has collar extending into upper front, extended shoulders, yoke with forward shoulder seams, no shoulder seams, mock-front bands, welt and patch pockets, button flaps and tabs, hemline facings forming casing, partial drawstring hemline, sleeves (longer than regular length) with hem stitched in place and fold-back cuffs. Topstitching. A: Self-lined yoke. B: Lined yoke, pockets, facings and sleeves.