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O'Neill Wetsuit Men's Size chart
O'Neill follows the sizes XS (XSmall), S (Small), M (Medium), etc.
When the letter S or T is added after the size indication, it is a Short (S) edition or a Tall (T) edition of this size.
So if you pick a wetsuit in Small with the size name ST it is a size Small in a Tall version.
- S = Short
- T = Tall
Size notice:
Feedback from our customers tells, that wetsuits feel small in size. But a tight fit is essential for the suit to work properly. However, beginners sometimes prefer easy usage and larger suits over the recommended tight fit. These customers normally choose one size bigger than the size guide recommends.
O'Neill Men's Wetsuit Size Chart
Imperial
| Size | Height (In) | Weight (Lb) | Chest (In) | Waist (In) |
| XS | 5'7" - 5'9" | 125 - 140 | 36.5" - 37.5" | 28.5" - 29.5" |
| 10T | 5'7" - 5'9" | 135 - 155 | 34" - 36" | 30.5" - 32" |
| S | 5'8" - 5'10" | 135 - 155 | 37.5" - 39" | 29.5" - 31" |
| ST | 6' - 6'2" | 145 - 165 | 37.5" - 39" | 29.5" - 31" |
| MS | 5'6.5" - 5'8.5" | 145 - 165 | 39" - 41" | 31" - 33" |
| M | 5'9" - 5'11" | 155 - 170 | 39" - 41" | 31" - 33" |
| MT | 6'1" - 6'3" | 160 -180 | 39" - 41" | 31" - 33" |
| LS | 5'7.5" - 5'9.5" | 160 -180 | 41" - 43.5" | 33" - 35" |
| L | 5'10" -6' | 170 - 190 | 41" - 43.5" | 33" - 35" |
| LT | 6'2" - 6'4" | 180 - 200 | 41" - 43.5" | 33" - 35" |
| XLS | 5'8.5" - 5'10.5" | 180 - 200 | 43.5" - 46" | 35" - 37" |
| XL | 5'11" - 6'1" | 190 - 210 | 43.5" - 46" | 35" - 37" |
| XLT | 6'3" - 6'5" | 200 - 220 | 43.5" - 46" | 37" - 39" |
| 2XLS | 5'9.5" - 5'11.5" | 200 - 220 | 46" - 48.5" | 37" - 39" |
| 2XL | 6' - 6'2" | 230 - 250 | 46" - 48.5" | 37" - 39" |
| 3XL | 6' - 6'3" | 230 - 250 | 48.5" - 51" | 39" - 44" |
| 4XL | 6'1" - 6'4" | 250 - 270 | 51" - 53.5" | 44" - 48" |
Metric
| Size | Height (cm) | Weight (kg) | Chest (cm) | Waist (cm) |
| XS | 170 - 175 | 57 - 64 | 93 - 95 | 72 - 75 |
| 10T | 170 - 175 | 61 - 70 | 86 - 91 | 78 - 81 |
| S | 173 - 178 | 61 - 70 | 95 - 99 | 75 - 79 |
| ST | 183 - 188 | 66 - 75 | 95 - 99 | 75 - 79 |
| MS | 169 - 174 | 66 -75 | 99 - 104 | 79 - 84 |
| M | 175 - 180 | 70 - 77 | 99 - 104 | 79 - 84 |
| MT | 185 - 190 | 73 - 82 | 99 - 104 | 79 - 84 |
| LS | 171 - 176 | 73 - 82 | 104 - 111 | 84 - 89 |
| L | 178 - 183 | 77 - 86 | 104 - 111 | 84 - 89 |
| LT | 188 - 193 | 82 - 91 | 104 - 111 | 89 - 94 |
| XLS | 174 - 179 | 82 - 91 | 111 - 117 | 89 - 94 |
| XL | 180 - 185 | 86 - 95 | 111 - 117 | 89 - 94 |
| XLT | 190 - 195 | 91 - 100 | 111 - 117 | 94 - 99 |
| 2XLS | 177 - 182 | 91 - 100 | 111 - 117 | 94 - 99 |
| 2XL | 183 - 188 | 104 - 113 | 117 - 123 | 94 - 99 |
| 3XL | 183 - 190 | 104 - 113 | 123 - 130 | 99 - 112 |
| 4XL | 185 - 193 | 113 - 123 | 130 - 136 | 112 - 122 |
How to Measure
Follow the instructions below and compare your measurements with the size chart
Men's Chest Circumference
Measure the circumference of the chest around the widest point.
Men's Waist Circumference
Measure the circumference of the waist around the most narrow point, after you breath out.
Tip! Use a soft measuring tape, to ensure that the product fits properly. Alternatively, use a piece of string and then measure it against a ruler
This size guide only applies to
O'Neill Reactor Shorty 2mm Back Zip Wetsuit
84,95 € 58,95 €
O'Neill Reactor Long John 2mm Front Zip Wetsuit
85,95 € 80,95 €
O'Neill Reactor 3mm Back Zip Wetsuit
119,95 € 109,95 €
O'Neill Epic 5mm Back Zip Wetsuit
244,95 € 179,95 €
O'Neill Thermo-X Neo Hooded Vest
64,95 € 45,95 €
O'Neill Epic 4mm Back Zip Wetsuit
234,95 € 179,95 €
O'Neill Epic 6mm Chest Zip Wetsuit
299,95 € 249,95 €
O'Neill Hyperfreak 4mm Chest Zip Wetsuit
369,95 € 299,95 €
O'Neill Hyperfreak 5mm Chest Zip Wetsuit
379,95 € 319,95 €
O'Neill Epic 3mm Back Zip S/S Wetsuit
174,95 € 129,95 €
O'Neill Blueprint 5mm Chest Zip Wetsuit
509,95 € 419,95 €
O'Neill Hyperfreak Hooded 4mm Chest Zip Wetsuit
359,95 € 349,95 €
O'Neill Reactor II 1.5mm Short
57,95 € 49,95 €
O'Neill Thermo-X Short
37,95 € 29,95 €
O'Neill Thermo-X Long Sleeve Youth Wetsuit Top
42,95 € 32,95 €
O'Neill Epic 3/2 Back Zip S/S Wetsuit
219,95 € 149,95 €
O'Neill Bahia 1.5mm Womens Leggings Neoprene Pants
84,95 € 67,95 €
O'Neill Psycho Tech 6mm Chestzip Hooded Wetsuit
529,95 € 459,95 €
