How much did a wool tunic cost in 1350?
The record: 3s, 1313.
About $440 in today's gold
18 days of a farm labourer's pay.
Cloth 8d–1s 3d a yard plus tailoring. Source
Who could buy it
The lowest paid on each ladder of 1350 whose pay was enough:
On a day's pay
On a week's pay
On a month's pay
In other words, a real purchase: weeks of work for a farm labourer.