Speedo Size Guide
Still can't find your size? Head to the product you want, click 'Find your size' and discover your size through Fit Finder.
Women’s Size Guide
| ONE PIECE SWIMSUIT SIZES | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SIZE | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 28 |
| ALPHA SIZE | XXS | XS | S | M | L | XL | |||||
| GB | 32 | 34 | 36 | 38 | 40 | 42 | |||||
| BUST (INCHES) | 30" | 32” | 34” | 36” | 38” | 40” | 42” | 44” | 46” | 48” | 50" |
| WAIST (INCHES) | 22" | 24” | 26” | 28” | 30” | 32” | 34” | 36” | 38” | 40” | 42" |
| HIP (INCHES) | 32" | 34” | 36” | 38” | 40” | 42” | 44” | 46” | 48” | 50” | 52" |
How to Measure

One Piece Leg Guide

One Piece Back Style Guide

Mens Size Guide
| MENS SWIMWEAR | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SIZE | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 26 | 26 | |
| ALPHA SIZE | XS | S | M | L | XL | 2XL | 3XL | 4XL | 5XL | ||
| FIXED WAIST | 28 | 30 | 32 | 34 | 36 | 38 | 40 | ||||
| GB | 32 | 34 | 36 | 38 | 40 | ||||||
| CHEST (CM) | 80cm | 85cm | 90cm | 95cm | 100cm | 105cm | 110cm | 115cm | 120cm | 125cm | |
| WAIST (INCHES) | 28 | 30 | 32 | 34 | 36 | 38 | 40 | 42 | 44 | 46 | |


Boys Size Chart
| Size Chart | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SIZE | 6 | 8 | 10 | 12 | 14 | 16 | |||||
| ALPHA SIZE | XS | S | M | L | XL | XXL | |||||
| HEIGHT | 120cm | 130cm | 140cm | 150cm | 160cm | 170cm | |||||
| CHEST | 64cm | 68cm | 72cm | 76cm | 80cm | 86cm | |||||
| WAIST | 58cm | 60cm | 64cm | 68cm | 72cm | 76cm | |||||

Girls Size Chart
| Size Chart | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SIZE | 6 | 8 | 10 | 12 | 14 | 16 | |||||
| ALPHA SIZE | XS | S | M | L | XL | XXL | |||||
| HEIGHT | 120cm | 130cm | 140cm | 150cm | 160cm | 165cm | |||||
| CHEST | 64cm | 68cm | 74cm | 80cm | 86cm | 90cm | |||||
| WAIST | 58cm | 60cm | 62cm | 64cm | 66cm | 70cm | |||||

Toddlers Size Chart
| Swimwear | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SIZE | 00 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | ||
| AGE (months) | 3-6 | 6-12 | 12-18 | 18-24 | 24-36 | ||||||
| WEIGHT | 8kg | 10kg | 12kg | ||||||||
| HEIGHT | 68cm | 76cm | 84cm | 92cm | 100cm | 110cm | 115cm | 120cm | 125cm | ||
| CHEST | 54cm | 56cm | 58cm | 60cm | 62cm | 64cm | 66cm | ||||
| WAIST | 52cm | 54cm | 55cm | 56cm | 57cm | 58cm | 59cm | ||||
| BODY LOOOP | 72cm | 78cm | 84cm | 90cm | 95cm | 100cm | 104cm | 108cm | 113cm | ||
| Hat Size Chart | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SIZE | XS | S | M | L | XL | ||||||
| HEAD CIRCUMFERENCE | 49cm | 51cm | 53cm | 55cm | 57cm | ||||||
Accessories Size Chart
| DECKCOAT, HOODIE AND T-SHIRTS | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SIZE | 3XS | XXS | XS | S | M | L | XL | XXL | |||
| CHEST | 75cm | 80cm | 85cm | 90cm | 95cm | 100cm | 105cm | 110cm | |||
HOW TO MEASURE
Chest
Measure the fullest part of chest, be sure to go over the shoulder blades at back.

| Trialon Fins | ||||||||
|---|---|---|---|---|---|---|---|---|
| SIZE | XXXS | XXS | XS | S | M | L | XL | XXL |
| YOUTH | 11-13 | 1-3 | 3-4 | |||||
| WOMEN | 4-5 | 6-7 | 8-9 | 9-10 | 11-12 | 13-14 | ||
| MEN | 5-6 | 7-8 | 8-9 | 10-11 | 12-13 | |||
| LENGTH | 7.5 in | 8 in | 8.7 in | 8.9 in | 9.4 in | 10 in | 10.5 in | 10. 9 in |
|
Biofuse and Fastskin Fins (sold in US size) |
||||||||
| US | 3-4 | 5-6 | 7-8 | 9-10 | 11-12 | 13-14 | ||
| UK | 2-3 | 4-5 | 6-7 | 8-9 | 10-11 | 11-12 | ||
| EUR | 35-36 | 37-38 | 39-41 | 42-43 | 44-46 | 47-48 | ||
