Theory Size Guide
| US Size | UK Size | EU Size | Numeric Size |
|---|---|---|---|
| 00 | 4 | 32 | XXS |
| 0 | 6 | 34 | XS |
| 2 | 8 | 36 | S |
| 4 | 10 | 38 | M |
| 6 | 12 | 40 | L |
Measurements are approximate. Always check specific product sizing.
TH
Theory
Premium contemporary clothing brand offering sophisticated, minimalist designs for modern professionals
Visit Official WebsiteSizing Information
General Fit
Theory sizing tends to follow standard UK sizing. However, we recommend checking the specific size chart for each item.
Fit Recommendations
- Check product-specific size charts when available
- Read customer reviews for fit feedback
- Consider the item type (slim fit, regular fit, etc.)
- When in doubt, contact customer service