Online resale has given ordinary clothing something it did not previously have, which is a public secondhand price. That number now sits underneath what brands and retailers can do with their own pricing.
Resale value became observable
Before large resale marketplaces, the value of a used garment was known only at the point somebody tried to sell it, usually at a consignment shop or not at all.
Now a shopper can see what a specific item from a specific brand actually sells for secondhand, and can see it before deciding to buy new.
That transparency turns a purchase into something closer to a partly recoverable cost, which changes how a high price is judged.
Brands with strong resale can hold their prices
Items that retain value secondhand justify their retail price more easily, because the buyer understands that part of the outlay can be recovered later.
This gives well-made and recognizable brands a reason to discount less, since their pricing is supported by a visible aftermarket rather than by advertising alone.
The opposite also holds. Categories with almost no resale value compete purely on discount, because nothing supports the price once the item leaves the store.
The floor constrains clearance behavior
A brand marking its own stock below its secondhand price undermines the aftermarket that supports its full-price sales, which is a slow but real cost.
This is one reason premium labels prefer restricted outlets, private sales and destruction of unsold goods over deep public markdowns, despite the criticism the last of these attracts.
Mass-market labels face no such constraint and can discount freely, since there is no resale value to protect.
Platform economics shape what gets listed
Resale marketplaces earn a commission on each sale and generally leave pricing to the seller, so listings cluster where sellers believe demand exists.
Shipping cost and the effort of photographing and describing an item set a practical minimum below which listing is not worth doing.
The result is that inexpensive clothing largely does not appear, and the visible resale market skews toward brands worth the seller's time.
What this changes for a buyer
Comparing a new price against current secondhand prices for the same item gives a rough measure of how much of the purchase is likely to be recoverable.
Condition descriptions vary widely between sellers, and sizing across production years is inconsistent, so resale carries risks that a store return policy would cover.
The comparison is nonetheless more informative than a discount percentage, because it reflects what buyers actually pay rather than what a retailer states as a reference.