Hooray! My jacket was returned from Freestyle today, virtually good as new! Sure, there are still some dark stains that I incurred while patching my tyre, but that doesn't bother me. (And I didn't raise the issue with them anyway.)
They also mended my overtrousers, which are a couple years (and at least a couple thosand miles) old. They even fixed a seam I didn't know had a problem.
In each case, they sewed a matching Gore Tex patch over the tear and sealed it on the back. Absolutely remarkable service! I'll never buy bikey rainwear from anyone else.
I should also have a chance to test out their handiwork tomorrow, with snow and freezing rain predicted.