Shoppers are voicing their frustration after an update resulted in items being listed as the wrong size.
This online marketplace has revised its size classifications for women's and children's clothes failing to inform all shoppers about the modification.
Many shoppers and sellers are posting online saying Vinted listings now show a different size category versus the original listing due to the recalibration.
Vinted explained the new system was more in line with other platforms.
They have suggested members to examine their items and update the measurements by hand when needed, causing user dissatisfaction.
Earlier, the sizing featured numerical and alphabetical indicators, such as S/8 or M/10.
The new system has a letter and a range for example S/UK 8-10.
For certain items, the sizing has been recategorised - such as a large size used to be a 12 but now shows as UK 16-18.
One content creator, who makes TikTok content about plus-size fashion, said the change "makes both selling and buying harder".
"Rarely do manufacturers list XL as sizes 20-22," as the platform currently indicates.
A different member, based in Glasgow, said garments she listed on Vinted with size 14 labels were appearing on the platform as measurements 20-22.
"If anyone [who is] size 20-22 buys them they will likely be quite upset," she stated.
Charlotte Lunn, from Derby, said she had been left angered due to the update requiring manual adjustment the sizing for "all her products".
"Personally, this is quite irritating, as I'm chronically ill and Vinted sales have been crucial for me since losing part of my income," she said.
The service features exceeding 100 million users, including 18 million in the UK.
It has become a favored option versus similar marketplaces including eBay and Depop.
This isn't the first time that an unexpected update within the service has received backlash: earlier, the platform withdrew an update concerning shipment methods after backlash from users.
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