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Guide
May 28, 2026
· 7 min read
FSBuy Sizing Guide 2026 — Get the Right Size Every Time
Wrong size is the #1 most complained-about issue in r/repbudgetsneakers. Chinese sizing runs differently — this guide covers every conversion so you never order wrong.
Sizing is the most common reason for QC rejections and returns on FSBuy. Entirely preventable if you know the rules.
Shoe sizing — the most important section
The key rule: when in doubt, size up half a size. Chinese sizing uses EU as standard but labelling is inconsistent.
| US Men | US Women | EU | UK |
|---|---|---|---|
| 7 | 8.5 | 40 | 6 |
| 8 | 9.5 | 41 | 7 |
| 9 | 10.5 | 42.5 | 8 |
| 10 | 11.5 | 44 | 9 |
| 11 | 12.5 | 45 | 10 |
| 12 | 13.5 | 46 | 11 |
Clothing sizing
Chinese clothing sizing runs 1–2 sizes smaller than US. A Chinese XL often corresponds to a US M. Always use the centimetre measurements in the listing, not the size label.
Unsure about sizing?
Message us on WhatsApp with the item and your measurements before you order.