Underwear for men's contains large and small men's underwear sizes chart of American (US / UK), German, French, Italian, Russian, Czech / Slovak, international, or waist sizes.
| Russian | US/UK | German | French | Italian | Czech / Slovak |
International | Waist (cm) |
| 44 | 32 | 3 | 2 | 1 | 6 | XS | 68-72 |
| 46 | 34 | 4 | 3 | 2 | 7 | S | 72-78 |
| 48 | 36 | 5 | 4 | 3 | 8 | M | 78-86 |
| 50 | 38 | 6 | 5 | 4 | 9 | L | 86-94 |
| 52 | 40 | 7 | 6 | 5 | 10 | XL | 94-102 |
| 54 | 42 | 8 | 7 | 6 | 11 | XXL | 102-110 |
| 56 | 44 | 9 | 8 | 7 | 12 | XXXL | 110-118 |