Sizing is the number one reason for returns in the rep community. Asian sizing runs significantly smaller than US and EU standards, and understanding this difference is crucial. This guide provides complete conversion tables, measurement techniques, and community-tested tips to get your sizing right every time.
Sizing (34%)
Return Reason #1
68%
Size Up Rate
1.5cm
Avg Measurement Error
89%
Fit Success Rate
The Core Problem
General Conversion Rules
| Item Type | Asian to US | Asian to EU | Key Tip |
|---|---|---|---|
| Tops/Hoodies | Size up 1 | Size up 1 | Check chest measurement in cm |
| Pants | Size up 1 | Size up 1 | Measure waist and inseam in cm |
| Shoes (mm) | US 9 = 270mm | EU 42.5 = 270mm | Add 5-10mm for toe room |
| Accessories | One size | One size | Belts need cm waist measurement |
| Jackets | Size up 1-2 | Size up 1-2 | Depends on layering preference |
Complete Shoe Size Conversion Table
| US Men | EU | UK | CM (CN) | Inches |
|---|---|---|---|---|
| 7 | 40 | 6 | 250 | 9.84" |
| 8 | 41 | 7 | 260 | 10.24" |
| 8.5 | 42 | 7.5 | 265 | 10.43" |
| 9 | 42.5 | 8 | 270 | 10.63" |
| 9.5 | 43 | 8.5 | 275 | 10.83" |
| 10 | 44 | 9 | 280 | 11.02" |
| 10.5 | 44.5 | 9.5 | 285 | 11.22" |
| 11 | 45 | 10 | 290 | 11.42" |
| 12 | 46 | 11 | 300 | 11.81" |
| 13 | 47.5 | 12 | 310 | 12.20" |
How to Measure Your Body
Foot Length
Stand on a piece of paper, mark the longest toe and heel. Measure in millimeters for shoe sizing.
Chest/Bust
Wrap a tape measure around the fullest part of your chest, keeping it level and snug but not tight.
Waist
Measure around your natural waistline — the narrowest part of your torso, typically at belly button level.
Inseam
Measure from the crotch seam to the bottom of your ankle along the inside of your leg.
Shoulder Width
Measure across your back from the edge of one shoulder to the other. Important for jackets and hoodies.
The 2cm Rule
When comparing your measurements to a size chart, allow 2cm (0.8 inches) of ease for fitted items and 4cm (1.6 inches) for oversized styles. This accounts for movement and layering without making the garment look baggy.
Brand-Specific Sizing Quirks
Intentionally oversized — go true to size
Usually true to size, some models run narrow
Often run small, size up 0.5 for sneakers
True to size for tees, slightly oversized for hoodies
Oversized fit — size down if between sizes
When in Doubt: The Community Method
Size Down Risk
Pros
- Slimmer fit if it works
Cons
- Uncomfortable if wrong
- Cannot be fixed
- Waste of money
Size Up Safety
Pros
- Comfortable fit guaranteed
- Room for tailoring
- Works with layering
Cons
- May need minor alterations
- Slightly more fabric
