International size charts, fit guides, and smart size recommendations
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| US | UK | EU | IT | FR | JP | KR | CN |
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Clothing sizes are one of the most frustrating aspects of modern shopping. A medium in one brand can be a large in another, and international sizing adds another layer of complexity. Unlike metric measurements, clothing sizes lack universal standards, leading to what experts call "size inflation" or "vanity sizing."
United States - Uses numbered sizes (2, 4, 6, 8...) for women and chest measurements in inches for men. No official standards exist, allowing brands to set their own measurements.
United Kingdom - Similar to US but typically runs 2 sizes smaller (US size 8 = UK size 12). Uses traditional measurements but lacks government regulation.
European Union - Attempts standardization with EN 13402, using body measurements in centimeters. However, implementation varies significantly between countries.
Asian Markets - Generally run smaller than Western sizes, with significant variation between countries. A US Medium often equals an Asian Large or XL.
Fast Fashion (Zara, H&M): Often run smaller, following European standards. Check measurements carefully.
American Brands (Gap, Old Navy): Generally follow US sizing with some vanity sizing. Old Navy tends to run large.
Asian Brands (Uniqlo, Shein): Usually run 1-2 sizes smaller than US equivalents. Always size up.
Athletic Brands (Nike, Adidas): Designed for athletic builds with more room in chest/shoulders.