Sizing Consistency Across Multiple Chinese Lingerie Brands
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Shopping for lingerie online from Chinese brands can feel like a guessing game — especially when it comes to sizing. With so many popular labels like NEIWAI (内外), Ubras, and Intima dominating the market, you'd think standardization would be a given. But here's the truth: sizing is anything but consistent across these homegrown favorites.

We dug into real customer feedback, official size charts, and fit tests across 5 top Chinese lingerie brands to bring you a no-nonsense guide that cuts through the confusion. Whether you're rocking a C-cup or prefer wire-free comfort, this breakdown will help you choose the right fit — no returns required.
Why Sizing Varies So Much
Unlike EU or US markets with tighter regulatory sizing standards, China's lingerie industry relies heavily on brand-specific grading systems. One brand’s M might fit like another’s S — or even an XS. Add in fabric stretch, design silhouette, and regional body type preferences, and you’ve got a perfect storm of inconsistency.
A 2023 survey by Taobao Fashion Insights found that 68% of online lingerie buyers have returned items due to poor fit — the highest return rate among apparel categories.
Side-by-Side Brand Comparison
Beyond marketing claims, how do these brands actually stack up? We analyzed bust measurements (in cm) for their best-selling bra styles:
| Brand | Size Label | Bust Range (cm) | Fabric Stretch | Fit Notes |
|---|---|---|---|---|
| NEIWAI | M | 81–85 | High (90% modal) | Runs slightly large; ideal for soft cup support |
| Ubras | M | 79–83 | Medium-high (blended nylon-spandex) | Tight compression feel; true to size for athletic builds |
| Intima | M | 80–84 | Low-moderate (cotton blend) | Narrow band; runs small — size up recommended |
| Perfect Diary Lingerie | M | 82–86 | High (microfiber + elastane) | Designed for petite frames; shallow cup depth |
| Maniform | 75B | 79–81 | Low (structured cups) | Traditional sizing; accurate for underwire styles |
Pro Tips for Getting It Right
- Always check the flat-lay measurements — don’t trust size labels alone.
- Know your China size baseline: A Chinese M typically fits a US 34A–B or EU 75A–B, but varies by brand.
- When in doubt, size up — especially with modal or seamless styles that compress.
- Look for “petite” or “full-bust” variants — Ubras now offers D+ cup lines with extended band sizes.
In short: there’s no universal Chinese lingerie size. But with a little research and this handy reference, you can shop smarter and skip the hassle of returns. After all, great fit shouldn’t be a luxury — it should be the standard.