Why Chinese Sizes Don’t Match US / EU / UK Sizes

If you have shopped both Western fast fashion and Chinese domestic apparel, you may notice huge fit differences. Chinese clothing sizes are based on the GB/T 1335 national body standard, while US, EU and UK sizing systems follow completely different rules.

Different design standards

Chinese domestic brands design for Asian average body proportions — shorter torso, narrower shoulder width, and smaller bust‑waist difference. Western brands are tailored for taller, broader body types.

Different sizing logic

• CN Size: Based on human body height + bust circumference (body‑oriented).
• US/EU Size: Based on finished garment tolerance and regional fashion habits (clothing‑oriented).

Fabric and silhouette differences

High‑end Chinese domestic brands prioritize structured, neat, and slender silhouettes. Woven fabrics, suits, Xiangyunsha and formal dresses have minimal stretch. Western brands often reserve more wearing ease for casual styles.

Why this causes ordering errors

Overseas shoppers who wear US size 6 may find Chinese 165/88A too tight for tailored items, but perfectly fine for loose casual knits. Understanding this system gap is the best way to reduce cross‑border return rates.

Disclaimer: S‑sizeHub data serves as reference guidance. Always check brand‑specific garment measurements before purchase.