Looking to buy an O’Neill wetsuit? Whether you’re a beginner just starting out or an experienced surfer, finding the perfect fit is essential for enjoying your time in the water.
If you’ve ever surfed in cold water, then you’ll know what a huge difference it makes having the right wetsuit.
Browse more cold-water surfing essentials in our blog here!
Not only are we going to help with an O’Neill wetsuit size chart, and show you how to find the right size for you, but we’ll also discuss some of the different features that make O’Neill wetsuits a top choice!
* Just to let you know that this article may contain affiliate links. If you click on them we might receive a small commission, at no extra cost to you.
Contents
Benefits of the O’Neill Wetsuit
O’Neill wetsuits have been a top choice for surfers for many years now, largely because of the amazing fit that they offer. Jack O’Neill started the brand in 1952 when the creator’s passion for surfing inspired the very first surf shop in Santa Cruz and the subsequent development of amazing surfing apparel.
O’Neill is credited with making the very first wetsuit, and the high level of quality and innovation continues to be prevalent in each wetsuit that goes on the market.
Consider the following benefits of O’Neill wetsuits;
- The entry-level price range makes it an affordable option for all surfers
- Variety of thickness levels to suit every season (5:4 winter, 4:3 spring/fall, and 3:2 summer)
- Quality design and material for long-lasting enjoyment
How to Fit a Wetsuit
The most important part about fitting a wetsuit is referencing the brand’s size chart. Once you’ve got your size, you need to make sure that it fits snugly, like a second skin. Make sure that you can still move comfortably and move your arms in a paddling motion. If there’s space, practice a pop-up too!
Keep in mind that the wetsuit will become more comfortable and loosen slightly once in the water.
The sleeves of a full-length wetsuit should come to your wrist bone and the legs should end at your ankle bone. Ideally, there will be no gaps or rolls of neoprene.
When a wetsuit fits well, then you should have a full range of motion and trust that the material will remain durable for a decent amount of time. When a wetsuit is too small, then you limit your flexibility and put a lot of stress on the seam. When a wetsuit is too big, then it can reduce your warmth and make you feel uncomfortable in the water, cutting your surf short.
In addition to a good fit, you should consider the following three aspects;
- Warmth
- Durability
- Flexibility
O’Neill Wetsuit Size Chart
The O’Neill wetsuit size chart is designed to help you find the perfect fit for your body, and with so many different styles and options to choose from, it’s important to get it right.
O’Neill Men’s Wetsuits
The following size chart is a guide for O’Neill men’s wetsuits, based on inches.
| SIZES | HEIGHT (INCHES) | WEIGHT (LBS) | CHEST (INCHES) | WAIST (INCHES) |
| XS | 5’7″ – 5’9″ | 125 – 140 | 36 1/2 – 37″ 1/2 | 28 1/2 – 29″ 1/2 |
| S | 5’8″ – 5’10” | 135 – 155 | 37 1/2 – 39″ | 29 1/2 – 31″ |
| ST | 6′ – 6’2″ | 145 – 165 | 37 1/2 – 39″ | 29 1/2 – 31″ |
| MS | 5’6 1/2″ – 5’8 1/2″ | 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 1/2″ – 5’9 1/2″ | 160 – 180 | 41 – 43″ 1/2 | 33 – 35″ |
| L | 5’10” – 6′ | 170 – 190 | 41 – 43″ 1/2 | 33 – 35″ |
| LT | 6’2″ – 6’4″ | 180 – 200 | 41 – 43″ 1/2 | 33 – 35″ |
| XLS | 5’8 1/2″ – 5’10 1/2″ | 180 – 200 | 43 1/2 – 46″ | 35 – 37″ |
| XL | 5’11” – 6’1″ | 190 – 210 | 43 1/2 – 46″ | 35 – 37″ |
| XLT | 6’3 – 6’5 | 200 – 220 | 43 1/2 – 46″ | 35 – 37″ |
| 2XLS | 5’9 1/2″ -5’11 1/2″ | 200 – 220 | 46 – 48″ 1/2 | 37- 39″ |
| 2XL | 6′ – 6’2″ | 210 – 230 | 46 – 48″ 1/2 | 37 – 39″ |
| 3XL | 6′ – 6’3″ | 230 – 250 | 48 1/2 – 51″ | 39 – 44″ |
| 4XL | 6’1″ – 6’4″ | 250 – 270 | 51 – 53″ 1/2 | 44 – 48″ |
Prefer metric units? Here’s the O’Neill size chart for men in metric sizes.
| SIZES | HEIGHT (CM) | WEIGHT (KG) | CHEST (CM) | WAIST (CM) |
| XS | 170 – 175 | 57 – 64 | 92 – 95 | 72 – 74 |
| S | 173 – 178 | 64 – 70 | 95 – 99 | 74 – 78 |
| ST | 183 – 188 | 66 – 75 | 95 – 99 | 74 – 78 |
| MS | 169 – 174 | 66 – 75 | 99 – 104 | 78 – 83 |
| M | 175 – 180 | 70 – 77 | 99 – 104 | 78 – 83 |
| MT | 185 – 191 | 73 – 82 | 99 – 104 | 78 – 83 |
| LS | 171 – 177 | 73 – 82 | 104 – 110 | 83 – 88 |
| L | 178 – 190 | 77 – 86 | 104 – 110 | 83 – 88 |
| LT | 188 – 193 | 82 – 91 | 104 – 110 | 83 – 88 |
| XLS | 174 – 179 | 82 – 91 | 110 – 116 | 88 – 93 |
| XL | 180 – 185 | 86 – 95 | 110 – 116 | 88 – 93 |
| XLT | 191 – 196 | 91 – 100 | 110 – 116 | 88 – 93 |
| 2XLS | 176 – 181 | 91 – 100 | 116 – 123 | 93 – 99 |
| 2XL | 183 – 188 | 95 – 104 | 116 – 123 | 93 – 99 |
| 3XL | 183 – 191 | 104 – 114 | 123 – 129 | 99 – 111 |
| 4XL | 185-193 | 113-122 | 129 – 136 | 112-122 |
O’Neill Women’s Wetsuit
The following size chart is a guide for O’Neill women’s wetsuits, based on inches.
| SIZES | HEIGHT (INCHES) | WEIGHT (LBS) | CHEST (INCHES) | WAIST (INCHES) |
| 2 | 5’1″ – 5’3″ | 90 – 105 | 30 – 32″ | 24 1/2 – 26″ 1/2 |
| 4 | 5’3″ – 5’5″ | 100 – 115 | 30 1/2 – 32″ 1/2 | 25 – 27″ |
| 6S | 5’2 1/2″ – 5’4 1/2″ | 105 – 120 | 31 1/2 – 33″1/2 | 26 – 28″ |
| 6 | 5’4″ – 5’6″ | 110 – 125 | 31 1/2 – 33″ 1/2 | 26 – 28″ |
| 8S | 5’3 1/2″ – 5’5 1/2″ | 115 – 130 | 32 1/2 – 34″ 1/2 | 27 – 29″ |
| 8 | 5’5″ – 5’7″ | 120 – 135 | 32 1/2 – 34″ 1/2 | 27 – 29″ |
| 8T | 5’6 1/2″ – 5’8 1/2″ | 125 – 140 | 32 1/2 – 34″ 1/2 | 27 – 29″ |
| 10S | 5’4 1/2″ – 5’6 1/2″ | 125 – 145 | 34 – 36″ | 29 – 30″ 1/2 |
| 10 | 5’6″ – 5’8″ | 130 – 150 | 34 – 36″ | 29 – 30″ 1/2 |
| 10T | 5’7 1/2″ – 5’9 1/2″ | 135 – 155 | 34 – 36″ | 29 – 30″ 1/2 |
| 12S | 5’5.5″ – 5’7.5″ | 135 – 155 | 35 1/2 – 37″ 1/2 | 30 1/2 – 32″ |
| 12 | 5’7″ – 5’9″ | 140 – 160 | 35 1/2 – 37″ 1/2 | 30 1/2 – 32″ |
| 12T | 5’8.5″ – 5’10.5″ | 145 – 165 | 35 1/2 – 37″ 1/2 | 30 1/2 – 32″ |
| 14 | 5’8″ – 5’10” | 150 – 170 | 37 – 39″ | 31 – 33″ 1/2 |
| 16 | 5’9 – 5’11” | 165 – 185 | 38 1/2 – 40″ 1/2 | 33 1/2 – 35″ |
Prefer metric units? Here’s the O’Neill size chart for women in metric sizes.
| SIZES | HEIGHT (CM) | WEIGHT (KG) | CHEST (CM) | WAIST (CM) |
| 2 | 154 – 160″ | 40 – 47 | 76 – 81″ | 62 – 67″ |
| 4 | 160 – 165″ | 45 – 52 | 77 – 82″ | 63 – 68″ |
| 6 | 162 – 167″ | 49 – 56 | 80 – 85″ | 66 – 71″ |
| 6S | 158 – 164″ | 47 – 54 | 80 – 85″ | 66 – 71″ |
| 8 | 165 – 170″ | 54 – 61 | 82 – 87″ | 68 – 73″ |
| 8S | 161 – 166″ | 52 – 59 | 82 – 87″ | 68 – 73″ |
| 8T | 168 – 173″ | 56 – 63 | 82 – 87″ | 68 – 73″ |
| 10S | 163 – 168″ | 56 – 65 | 86 – 91″ | 73 – 77″ |
| 10 | 167 – 172″ | 59 – 68 | 86 – 91″ | 73 – 77″ |
| 10T | 171 – 176″ | 61 – 70 | 86 – 91″ | 73 – 77″ |
| 12S | 166 – 171″ | 61 – 70 | 90 – 95″ | 77 – 81″ |
| 12 | 170 – 175″ | 63 – 72 | 90 – 95″ | 77 – 81″ |
| 12T | 174 – 179″ | 65 – 74 | 90 – 95″ | 77 – 81″ |
| 14 | 172 – 177″ | 68 – 77 | 93 – 99″ | 79 – 85″ |
| 16 | 175 – 180″ | 72 – 81 | 97 – 102″ | 85 – 89″ |
Different Types of Wetsuits
The fit and size requirements are the same regardless of the type of wetsuit. Whether you prefer a front zip or a back zip, varying degrees of thickness, and a full suit or a spring suit – there’s an O’Neill wetsuit for you!
To help kickstart your wetsuit shopping journey, we’ve put together some of the best O’Neill wetsuits available.
- O’Neill Men’s Reactor 3:2 mm back zip full wetsuit
- O’Neill Youth Reactor 2 mm back zip short sleeve spring wetsuit
- Hyperfreak 2 mm chest zip long sleeve spring wetsuit
- O’Neill Women’s Reactor 2 mm back zip short sleeve spring wetsuit
- Men’s Reactor 1.5 mm Long Sleeve Top
- Women’s Epic 3:2 mm back zip full wetsuit
- O’Neill Hyperfreak 3:2 mm chest zip full wetsuit
Stay Toasty!
We hope you’re better informed about what to look for when buying a suit and how to make sure that it fits snug! Armed with the right suit, you can look forward to long hours of fun in the water, no matter how chilly it is!
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