Calvin Klein Underwear Size Chart
Calvin Klein runs true to size.
Runs SmallTrue to SizeRuns Large
Calvin Klein Men's Underwear Size Chart
| Size | US | EU | UK | Waist (cm) | Hips (cm) |
|---|---|---|---|---|---|
| S | S (28-30) | 3 | S | 71-76 | 86-91 |
| M | M (32-34) | 4 | M | 81-86 | 96-101 |
| L | L (36-38) | 5 | L | 91-97 | 104-109 |
| XL | XL (40-42) | 6 | XL | 102-107 | 112-117 |
| XXL | XXL (44-46) | 7 | XXL | 112-117 | 119-124 |
Calvin Klein Women's Underwear Size Chart
| Size | US | EU | UK | Waist (cm) | Hips (cm) |
|---|---|---|---|---|---|
| XS | XS (0-2) | 34 | 6 | 58-63 | 84-89 |
| S | S (4-6) | 36 | 8-10 | 64-69 | 89-94 |
| M | M (8-10) | 38-40 | 12-14 | 69-76 | 94-102 |
| L | L (12-14) | 42-44 | 16-18 | 76-84 | 102-109 |
| XL | XL (16-18) | 46-48 | 20-22 | 84-94 | 109-117 |
| XXL | XXL (20-22) | 50-52 | 24-26 | 94-102 | 117-124 |
Data verified Mar 2026 · Official size guide · See an error? Report it
Calvin Klein Sizing & Fit Guide
Calvin Klein underwear runs true to size. Their Modern Cotton line is their most popular and fits standard. The microfiber and mesh styles may feel slightly snug. If between sizes, size up for comfort.
Related Underwear Size Charts
Frequently Asked Questions
Calvin Klein underwear runs true to size. Their Modern Cotton line is their most popular and fits standard. The microfiber and mesh styles may feel slightly snug. If between sizes, size up for comfort.
Measure your waist at the narrowest point (usually just above the belly button) and your hips at the widest point. Then use our size chart table above to find your Calvin Klein size.
If you're between sizes in Calvin Klein underwear, we recommend sizing up for a more comfortable fit. Underwear that's too tight can be uncomfortable throughout the day, while slightly loose underwear is usually fine.