This pattern is from Simlicity's Vintage line, re-publishing a dress from the 1960s!
This cape is adorable and practical - it includes outside pockets and hand-slits so you can reach the outside of the cape without losing warmth. Everything is sized to modern sizes, so no need to translate the fit.
The pattern also includes a scarf pattern, but... it's a square of fabric. You know how to make that already. The cool part about this is totally the cape.