Reiss Men's Size Chart
Complete men's sizing guide for Reiss with measurements, fit tips, and conversions
Use this men size chart to compare your measurements against Reiss's official sizing. Each table shows body measurements and international conversions.
Fit Summary
Reiss is a British contemporary brand offering elevated basics with a slim, tailored fit. Uses UK sizing. Quality and construction are above typical high-street brands.
Last updated: Q3 2026 · Reviewed quarterly by JC, SizeHub editor
Men's Sizing
Tops & Shirts
| Size | US | Chest (in) | Waist (in) | Neck (in) |
|---|---|---|---|---|
| XS | 34 | 34-36 | 28-30 | 14-14.5 |
| S | 36 | 36-38 | 30-32 | 14.5-15 |
| M | 38-40 | 38-40 | 32-34 | 15-15.5 |
| L | 42-44 | 42-44 | 34-36 | 15.5-16 |
| XL | 46-48 | 46-48 | 36-38 | 16-16.5 |
| XXL | 50-52 | 50-52 | 38-40 | 16.5-17 |
Pants & Bottoms
| Size | Waist (in) | Hip (in) | Inseam (in) |
|---|---|---|---|
| 28 | 28 | 34 | 30-32 |
| 30 | 30 | 36 | 30-32 |
| 32 | 32 | 38 | 30-32 |
| 34 | 34 | 40 | 30-32 |
| 36 | 36 | 42 | 30-32 |
| 38 | 38 | 44 | 30-32 |
Shopping Tips
Uses UK sizing — size up one from US for women. Men's suits and shirts follow UK conventions. Their tailoring is excellent for the price point.
Size Comparison
Higher quality than Zara or H&M. Similar fit to Ted Baker. More affordable than Hugo Boss with comparable quality.
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Frequently Asked Questions
Does Reiss run true to UK size?
Yes, consistently. Convert from US by going up one size for women.
Is Reiss good quality?
Excellent for the price — premium fabrics and construction above typical high-street.
What's Reiss known for?
Tailored blazers, quality knitwear, and polished occasion wear.
How to Measure
Chest
Measure around the fullest part of your chest, keeping the tape horizontal.
Waist
Measure around your natural waistline, keeping the tape comfortably loose.
Hips
Stand with feet together and measure around the fullest part of your hips.