| O'NEILL MENS WETSUIT SIZE CHART |
| SIZES | HEIGHT | WEIGHT | CHEST | WAIST | HIPS | NECK | INSEAM |
| S | 5'8" - 5'10" | 135 - 155 | 36 1/2 - 38 1/2 | 29 - 31 | 34 - 36 | 15 | 28 5/8 - 29 5/8 |
| M | 5'9" - 5'11" | 150 - 170 | 38 1/2 - 40 1/2 | 30 1/2 - 32 1/2 | 35 1/2 - 37 1/2 | 15 1/2 | 29 - 30 |
| MS | 5'6 1/2" - 5'8 1/2" | 140 - 160 | 38 1/2 - 40 1/2 | 30 1/2 - 32 1/2 | 35 1/2 - 37 1/2 | 15 1/2 | 27 1/2 - 28 1/8 |
| MT | 6'1" - 6'3" | 160 - 180 | 38 1/2 - 40 1/2 | 30 1/2 - 32 1/2 | 35 1/2 - 37 1/2 | 15 1/2 | 31 1/4 - 32 1/4 |
| L | 5'10" - 6' | 170 - 190 | 40 1/2 - 42 1/2 | 32 1/2 - 34 1/2 | 37 1/2 - 39 1/2 | 16 | 29 3/8 - 30 3/8 |
| LS | 5'7 1/2" - 5'9 1/2" | 160 - 180 | 40 1/2 - 42 1/2 | 32 1/2 - 34 1/2 | 37 1/2 - 39 1/2 | 16 | 27 7/8 - 28 7/8 |
| LT | 6'2" - 6'4" | 180 - 200 | 40 1/2 - 42 1/2 | 32 1/2 - 34 1/2 | 37 1/2 - 39 1/2 | 16 | 31 5/8 - 32 5/8 |
| XL | 5'11" - 6'1" | 190 - 210 | 42 1/2 - 44 1/2 | 34 1/2 - 36 1/2 | 39 1/2 - 41 1/2 | 16 1/2 | 29 3/4 - 30 3/4 |
| XLT | 6'3 1/2" - 6'5 1/2" | 200 - 220 | 42 1/2 - 44 1/2 | 34 1/2 - 36 1/2 | 39 1/2 - 41 1/2 | 16 1/2 | 32 - 33 |
| XXL | 6' - 6'2" | 210 - 230 | 44 1/2 - 46 1/2 | 36 1/2 - 38 1/2 | 41 1/2 - 43 1/2 | 17 | 30 1/8 - 31 1/8 |
| XXXL | 6' - 6'3" | 230 - 250 | 47 - 49 | 41 1/2 - 43 1/2 | 44 - 46 | 17 1/4 | 30 1/8 - 31 1/8 |
O'NEILL WOMEN'S WETSUIT SIZE CHART |
Please note, these are UK ladies sizes |
| SIZES | HEIGHT | WEIGHT | CHEST | WAIST | HIPS | NECK | INSEAM |
| 8 | 5'5" - 5'7" | 105 - 125 | 31 1/2 - 33 1/2 | 24 - 26 | 34 - 36 | 12 | 27 3/4 - 28 3/4 |
| 10 | 5'6" - 5'8" | 110 - 130 | 32 1/2 - 34 1/2 | 25 - 27 | 35 - 37 | 12 1/2 | 28 - 29 |
| 10T | 5'7 1/2" - 5'9 1/2" | 120 - 140 | 32 1/2 - 34 1/2 | 25 - 27 | 35 - 37 | 12 1/2 | 29 - 30 |
| 12 | 5'7" - 5'9" | 120 - 140 | 34 - 36 | 26 1/2 - 28 1/2 | 36 1/2 - 38 1/2 | 13 | 28 1/4 - 29 1/4 |
| 12T | 5'8 1/2" - 5'10 1/2" | 130 - 150 | 34 - 36 | 26 1/2 - 28 1/2 | 36 1/2 - 38 1/2 | 13 | 29 1/4 - 30 1/4 |
| 14 | 5'8" - 5'10" | 130 - 150 | 35 1/2 - 37 1/2 | 28 - 30 | 38 - 40 | 13 1/2 | 28 1/2 - 29 1/2 |
| 16 | 5'9" - 5'11" | 140 - 160 | 37 - 39 | 29 1/2 - 31 1/2 | 39 1/2 - 41 1/2 | 14 | 28 3/4 - 29 3/4 |
O'NEILL KIDS SIZE CHART |
| GROM SIZES | HEIGHT | WEIGHT | CHEST | WAIST | HIPS | NECK | INSEAM |
| 10 | 4'7"-4'10" | 75-90 | 28-30 | 23-25 | 28-30 | 12 1/2 | 23-25 |
| 12 | 4'10"-5'1" | 90-105 | 29-31 | 25-27 | 30-32 | 13 | 24-26 |
| 14 | 5'1"-5'4" | 105-120 | 31-33 | 27-29 | 32-34 | 13 1/2 | 26-28 |
| 16 | 5'4"-5'7" | 120-135 | 33-35 | 28-30 | 34-36 | 14 | 27-29 |