| INT. | IT | UK | US | DE/NL | FR/BE | ES |
| XS | 36 | 4 | 2 | 32 | 34 | 32 |
| S | 38 | 6 | 4 | 34 | 36 | 34 |
| S-M | 40 | 8 | 6 | 36 | 38 | 36 |
| M | 42 | 10 | 8 | 38 | 40 | 38 |
| M-L | 44 | 12 | 10 | 40 | 42 | 40 |
| L | 46 | 14 | 12 | 42 | 44 | 42 |
| L-XL | 48 | 16 | 14 | 44 | 46 | 44 |
| XL | 50 | 18 | 16 | 46 | 48 | 46 |
| XXL | 52 | 20 | 18 | 48 | 50 | 48 |
| GUESS Woman | ||||||||||
| Size | XS | S | M | L | XL | |||||
| 2 | 4 | 6 | 8 | 10 | ||||||
| Waist | 60.5-63 | 63-65 | 65-68 | 68-70 | 70-73 | 73-75 | 75-78 | 78-81 | 81-84 | 84-87 |
| Hips | 86-89 | 89-91 | 91-94 | 94-96 | 96-99 | 99-101 | 101-104 | 104-107 | 107-110 | 110-113 |
