I think there's a lot of hidden inflation in this. Or, if not outright inflation, something similar to it. Look at what it costs to get a work shirt (I mean, for physical labor, "blue collar", heavy chambray or something along those lines) of comparable quality & materials to what was in a Sears catalog in the 1930s or ordered by the US military in the 1940s, which in neither case could be regarded as super-fancy . Y…
Good fabric has always been and is still very expensive! We have created much cheaper alternatives but if you want the quality your predecessors had you better be prepared to look 15% of your household budget in the face. Homemade isn't even an alternative here. Most of the cost of good clothing is in the fabric and there's just no way around this.