One Piece Size Chart
Size Guide: One Piece
| US | UK | Bust (Inches) | Waist (inches) | Hips (inches) | |
| XXS | 0 | 4 | 28" - 30" | 21" - 23" | 30" - 32" |
| XS | 2 | 6 | 30" - 32" | 23" - 25" | 32" - 34" |
| S | 4 | 8 | 32" - 34" | 25" - 27" | 34" - 36" |
| M | 6 | 10 | 34" - 36" | 27" - 29" | 36" - 38" |
| L | 8 | 12 | 36" - 38" | 29" - 31" | 38" - 40" |
| XL | 10 | 14 | 38" - 40" | 31" - 33" | 40" - 42" |
| XXL | 12 | 16 | 40" - 42" | 33" - 35" | 42" - 44" |
Note: If you’re in between sizes, follow your larger size.