Longitude® Swimwear
| Size | Bust | Waist | Hips | Torso |
| 8 | 36.5" | 30.5" | 39.5" | 61.25" |
| 10 | 38" | 32" | 41" | 62" |
| 12 | 39.5" | 33.5" | 42.5" | 62.75" |
| 14 | 41" | 35" | 44" | 63.5" |
| 16 | 42.5" | 36.5" | 45.5" | 64.25" |
| 18 | 44" | 38" | 47" | 65" |
| 20 | 45.5" | 39.5" | 48.5" | 65.75" |
When purchasing Longitude® Swimwear for the first time, many customers order a swimsuit in their usual pant size for the most comfortable fit. If you are between sizes, we suggest sizing up.
Longitude® Coverups
| Size | Equivalent | Skirts | Pants | Short Pareo | Long Pareo |
| S | 8-10" | 14" | 40" | 25" | 33" |
| M | 12-14" | 15" | 41" | 26" | 33" |
| L | 16-18" | 16" | 42" | 27" | 33" |
Skirts tend to run large. Pants, shirts and dresses run true to size. Pareos are "One size fits most."
Longitude® Plus Swimwear
| Size | Bust | Waist | Hips | Torso |
| 16W | 41.25" | 37" | 43.5" | 68.25" |
| 18W | 43.25" | 39" | 45.5" | 69" |
| 20W | 45.25" | 41" | 47.5" | 69.875" |
| 22W | 47.25" | 43" | 49.5" | 70.5" |
| 24W | 49.25" | 45" | 51.5" | 71.125" |
When purchasing Longitude® Swimwear for the first time, many customers order a swimsuit in their usual pant size for the most comfortable fit. If you are between sizes, we suggest sizing up.