Size? is a British brand specializing in sneakers and streetwear, affiliated with the JD Sports Fashion plc group. The site regularly attracts French buyers tempted by exclusive models or limited collaborations. The Trustpilot rating for size.co.uk hovers around 4 out of 5, but that for sizeofficial.fr drops to 2.9 out of 5. Between these two scores, feedback varies on the quality of after-sales service and the handling of delivery disputes.
Confusion between Size sites: a trap before even purchasing
Several online stores use the name “Size” or a close variant. Size.co.uk, sizeofficial.fr, size-paris.fr: these domains refer to distinct entities, with very different levels of reliability. The official site of the Size? brand belongs to JD Sports Fashion plc, registered under number 01888425 in the UK.
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Before placing an order, checking the legal mentions remains the most reliable reflex. The presence of the JD Sports registration number and the reference to the group confirm that you are on the right site. A domain that does not mention this company or this number should raise alarms.
The most virulent negative reviews on Trustpilot sometimes concern homonymous sites, not the Size? brand itself. This confusion skews the overall perception of the brand and partly explains the rating gap between the different Trustpilot profiles. To consult a review of the Size site that clearly distinguishes these entities, verifying the exact domain remains the starting point.
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Personal data protection on Size?: UK GDPR and British framework
Size? operates from the UK, placing the site under the UK GDPR and the Data Protection Act 2018, overseen by the ICO (Information Commissioner’s Office). For French and European consumers, the GDPR applies in parallel as long as the site actively targets the European Union market, which is the case with sizeofficial.fr.
This dual regulatory coverage imposes concrete obligations on Size?:
- Transparency on the legal bases for data processing (consent, contract execution, legitimate interest)
- Right of access, rectification, and deletion of personal data upon simple request
- Obligation to inform in case of data breaches within a timeframe set by regulations
The dual framework of UK GDPR and European GDPR enhances the protection of French buyers. The site’s privacy statement explicitly mentions JD Sports Fashion plc as the data controller. The available data do not allow for conclusions about any past incidents, but the displayed legal framework meets the expected standards for a site of this size.
Delivery and customer service Size?: what verified reviews reveal
On Trustpilot, positive feedback mentions respected delivery times and product quality as expected. A buyer on eBuyClub reports receiving their order three days after validation. Favorable reviews also highlight the possibility of combining promo codes and cashback.
In contrast, negative reviews point to a recurring issue: unresolved delivery disputes by customer service. A buyer reports on Trustpilot an order of over 300 euros that was never received, with a refusal of refund despite the absence of a security code upon receipt. Customer service responded publicly, but the complainant claims the issue has not been resolved.
This type of dispute illustrates a structural limit: Size? customer service responds in English, even to French customers. The language barrier complicates exchanges in case of disagreement, and complaint procedures go through the British headquarters.
What to do in case of a non-received package
The most direct recourse remains disputing with your bank (chargeback) if the payment was made by card. For purchases via PayPal, buyer protection generally covers items not received. Keeping proof of purchase and written exchanges with customer service forms the basis of any claim, regardless of the channel used.
Shopping experience on Size?: navigation, stock, and exclusives
The Size? catalog stands out for exclusive collaborations with brands like Nike, Adidas, or New Balance, often unavailable on other platforms. This specialization attracts a clientele willing to order from abroad despite additional shipping costs.
Navigation on sizeofficial.fr remains functional, with filtering by brand, size, and price. The displayed sizes follow the British system, which requires checking the correspondence with the French system before validating a cart. A conversion error remains the primary cause of returns on this type of site.
Returns from France are possible but governed by the conditions of the British site. Return shipping costs are generally borne by the buyer, a point rarely highlighted on the product page.
Size? in 2026: a reliable site under conditions
The Size? site is not a scam. Its affiliation with the JD Sports group, the British and European regulatory framework, and the Trustpilot rating of 4 out of 5 on the main domain are reassuring indicators. Documented issues mainly concern after-sales service in case of delivery disputes and the difficulty in obtaining a quick refund from France.
Verifying the exact domain, favoring secure payment with possible recourse, and anticipating size conversions: these three precautions reduce the majority of risks identified by French buyers.