Shoppers are voicing their frustration after an update resulted in products showing incorrect sizing.
This online marketplace has altered its measurement guidelines for women's and children's clothes but did not contact all shoppers about the modification.
Numerous buyers and vendors are expressing on platforms stating that platform listings now display a different size category versus the original listing as a result of the reclassification.
Vinted explained the new system was more in line with comparable marketplaces.
It has advised users to review their products and adjust the sizing manually where appropriate, resulting in member annoyance.
Previously, the sizes had both a single numeric size and a letter, for instance S/8 or M/10.
The revised method features an alphabetical indicator and numerical range such as S/UK 8-10.
For certain items, the sizing has been recategorised - like an L measurement was previously a 12 but currently displays as UK 16-18.
A fashion influencer, who makes TikTok content about plus-size fashion, said the change "makes both selling and buying harder".
"Few clothing companies classify XL as 20-22," which is what Vinted now does.
Stephanie Gallen, from Glasgow, stated items she posted with size 14 tags were appearing on the platform as size 20–22.
"If buyers measuring 20-22 acquire them they may become frustrated," she stated.
A different user, located in England, stated she felt frustrated because the modification necessitated personal updates the sizing for "all her products".
"This situation is especially annoying, because of my ongoing medical condition and selling on Vinted has been paramount after experiencing income reduction," she said.
The platform boasts over 100 million members, including 18 million in the UK.
It has proved a popular alternative to second-hand platforms like eBay and Depop.
This isn't the first time that an unexpected update to the app has proved unpopular: previously, Vinted reversed a change to its shipping options after backlash from users.
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Andrew Ruiz
| 05 Sep 2026
Andrew Ruiz
| 05 Sep 2026