The claim that they do not make them like they used to is partly true, and the reasons are economic rather than a decline in skill.
The cost inversion
For most of the twentieth century, fabric was expensive relative to labour.
Which meant it made sense to spend labour on making garments last, on adjustability, and on using fabric efficiently.
That relationship inverted as textile production industrialised and labour costs rose in producing countries and then shifted to lower-cost ones.
Now fabric is cheap relative to skilled labour, which changes every design decision downstream.
What that produced in older garments
Generous seam allowances, because a garment was expected to be altered as the wearer changed.
Deep hems for the same reason.
Reinforcement at stress points, since replacing a garment was expensive.
Facings and interior finishing that served durability rather than appearance.
Buttons attached with shanks, seams finished to prevent fraying, and pockets constructed to be repairable.
What was worse
Worth stating, since vintage discussion tends toward the romantic.
Fabric performance was frequently poorer. Colours faded, natural fibres shrank unpredictably, and nothing was easy-care.
Sizing was even more inconsistent than now, with no online information available at all.
Choice was drastically narrower, prices in real terms were far higher, and most people owned very few garments.
The quality of what survives is also a selection effect — poorly made garments from any era did not last long enough to become vintage.
The deadstock question
Unsold old stock that never reached a customer, which is genuinely available in the market.
It offers period construction in unworn condition, which sounds ideal.
The complication is that rubber and elastic components perish with age regardless of wear, so anything with elastic will fail.
Adhesives also degrade, which affects fused garments and footwear particularly. Vintage shoes with polyurethane soles frequently crumble on first wear despite looking perfect.
Fibre identification
Older garments frequently have no composition label, since labelling requirements came later.
The burn test — taking a few threads from a seam allowance and observing how they burn — distinguishes protein fibres, cellulosic fibres and synthetics reasonably reliably.
Wool and silk smell of burning hair and self-extinguish. Cotton and linen smell of paper and burn steadily with grey ash. Synthetics melt and form a hard bead.
It takes a thread and a match and is the only definitive test available without a laboratory.
Dating a garment
Construction details give reasonable indications.
Zip material and construction changed over decades, with metal preceding nylon and specific manufacturers datable.
Label design, union labels where applicable, and care labelling conventions all shifted at identifiable points.
Overlocked seam finishing became common at a particular period, and its absence suggests earlier manufacture.
None of this is precise, and together the signals narrow a date considerably.
Alteration ethics
A live argument in the field.
Altering a rare garment reduces its historical value and may make it wearable, which is the tension.
The general position among people who deal in this seriously is that genuinely rare pieces should be preserved and common ones should be worn.
Reversible alterations — taking in rather than cutting away — preserve the option, and any competent alterations person will do it that way if asked.
Why it matters beyond nostalgia
Examining older construction is the most efficient way to learn what good construction looks like, because the features are exaggerated relative to modern equivalents.
Which makes a charity shop a better education in garment quality than most shopping, and it costs nothing to look.
Storage of anything old
Where preservation is either achieved or lost.
Acid-free tissue between folds prevents creasing damage and stops dyes migrating.
Padding folds rather than pressing them flat prevents permanent crease lines that eventually split.
Cotton or linen covers rather than plastic, since plastic traps moisture and some plastics off-gas compounds that damage textiles over years.
Cool, dark, dry and stable — fluctuating conditions do more damage than consistently imperfect ones.
Cleaning old textiles
Where irreversible damage most often occurs.
Dry cleaning solvents can dissolve old adhesives, damage some trims and remove finishes that cannot be replaced.
Water can shrink untreated wool, run unstable dyes and weaken already fragile fibres.
Which means for anything genuinely rare, the correct approach is a textile conservator rather than a cleaner, and for everything else the gentlest method that works.
The reproduction market
A parallel category worth knowing about.
Makers producing garments to historical patterns and specifications, with modern fabrics and sizing.
Which delivers period construction in a wearable, repairable, correctly sized garment without the fragility of an actual old one.
It is generally expensive, since the construction methods are labour intensive, and it is the honest way to get what most people actually want from vintage.
Alterations by previous owners
Common on older garments and worth checking, since they affect what is possible now.
Look for stitching that differs from the rest, crease lines from previous hems, and seam allowances that have already been consumed.
A garment altered down cannot readily be returned to its original size, which limits who it will fit.