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🌊 Glide into warmth and freedom with O'Neill Reactor-2 – where comfort meets performance!
The O'Neill Reactor-2 3/2mm Back Zip Fullsuit is a premium entry-level wetsuit crafted from ultra-stretch neoprene with a water-resistant back zip closure. Designed for maximum flexibility and insulation, it features seamless paddle zones and wind-resistant Smoothskin panels, making it perfect for surfing, diving, and paddle sports in cool waters. Lightweight and durable, it offers a snug yet comfortable fit that enhances mobility and warmth for extended water sessions.







| ASIN | B078SZSJGT |
| Age Range Description | Adult |
| Best Sellers Rank | 117,328 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 113 in Full Diving Wetsuits |
| Brand Name | O'NEILL |
| Closure Type | Zipper |
| Colour | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,028) |
| Global Trade Identification Number | 05051678419958 |
| Included Components | wetsuit |
| Item Thickness | 32 Millimetres |
| Item Type Name | Wetsuit |
| Item Weight | 0.75 Kilograms |
| Manufacturer | O'Neill |
| Manufacturer Part Number | 5040-A00-XL |
| Material Type | Neoprene |
| Model Number | 5040-A00-XL |
| Product Warranty | 1 Year |
| Size Map | XL |
| Sleeve Type | Long Sleeve |
| Sport Type | Surfing |
| Waist Size | 37 Inches |
F**S
Perfect for Cornwall
This is the first wetsuit I've purchased ever, I was nervous about the purchase about getting the wrong size or type. But purchasing this has been no regrets so far. I got this for sea water swimming and also body boarding. I moved to the South East coast of Cornwall. After a few swims in the sea since the start of summer and still being a bit chilly I decided to get a wetsuit. I opted for a 2/3mm wetsuit reluctantly due to the prices. However, it is more than sufficient for the water currently at about 14.5°c. The wetsuit made a massive difference to my body temperature and I found I could complete a lot more swimming, I only got out due to being tired rather than being cold. The quality is really good. I opted for the O'Neill brand as I much prefer labels. O'Neill doesn't disappoint in this case. With regards to the fit, it was pretty much bang on. I'm six foot, around 14 stone with a bit of a belly. I tend to find I need extra room in the crotch department with most clothing, and this being tight in its nature did present a slight issue but not enough to cause off putting discomfort. It looks really good quality too. I expect it will be long lasting given the correct care. The stitching is very good. The zipper is easy to grasp and you can put it on alone. In terms of wearing it, I found I could swim normally. No strokes were inhibited. Overall, I'm glad I got this!
J**.
Brilliant wetsuit
I'm fat. In other wetsuits I've had the opportunity to squeeze into, they've always been too tight in all the places that a body needs to function. This is an excellent wetsuit. Loose enough to let the blood move within me and tight enough to not make me look like the big fat fatty that I am. I use it for paddleboarding and it doesn't chafe or rub anywhere. Really easy to get in and out, the back zip is ace and the lanyard on it is really sturdy and long enough that you don't dislocate a shoulder zipping it up. I do float like a black Michelin Man though which is pleasant.
D**Y
Quality product
Excellent suit
I**G
Good value wetsuit
I am really pleased with the wetsuit. I am a tall and slim 6ft 2 male and the XL fits well. It also kept me warm in the Cornish sea whilst bodyboarding. You may want a thicker wetsuit if you were in the sea during colder times of the year but overall I am happy and it is very good value.
B**N
Bought XL size, delighted with it
First wetsuit ever purchased, wasnt sure if was going to fit. Followed the chart supplied and its fine. I'm 6 foot and weigh 14 stone, 42 inch chest and 34 waste. I didn't want suit stuck to me and clinging to my body restricting movement. My waist is 34 in trousers but took the size 35-37 waste on chart to allow a bit for my belly. Yes OK I carry all my excess weight on my belly. I'm working on that. Didn't want 34" suit as would literally cut circulation off. The material is flexible thank god. It arrived today only 3 days after ordering even though order said 1-3 weeks. Tried it on and fitted comfortably without feeling like a grape in a press. I went for XL size and glad I did. Still to try out on my new paddle board I got. Waiting on lifevest first. Delighted with purchase. Holds my belly in a bit and I'm sure in time look flatter.
R**D
Very comfortable and warm - perfect for swimming
As size is so important, here are my details - 6ft2, 87Kg and 34" waist. I bought size XL and I use it for open water swimming and triathlon. Sea temp I used it in is about 15 degrees. I've not used it for other water sports. I picked up this wetsuit for a great price and it arrived promptly. It's easy to get into and, importantly for triathlon, out of. The fit is slightly lose around the shoulders and it flaps a bit on the upper arm after swimming for 10mins, but it's not too bad and I can adjust it easily enough mid-swim. I'm not sure if a L would be a better option. It appears wells made and there are no visable defects. Most importantly, it warms up after a few strokes and is extremely comfortable for swimming. No hesitation in recommending.
J**W
Great wetsuit at a great price
I thought there must be a catch to get an O'Neill wetsuit for this price, but its arrived and I've tried it on and it is excellent. So it seems like it is just a great deal! The neoprene is softer than my previous wetsuit and the rubber on the chest area is going to be better for wind protection and gripping the board. It also looks cooler! For sizing, I am 92kg and 182cm tall and the XL fits me perfectly.
R**H
Basic wetsuit. Not sure the price is worth it re quality, compared to cheaper brands.
Surfed using this 3:2 wetsuit for a long time now. A basic wetsuit that seems no different than cheaper entry level suits. Honesty cant tell why this one would be £40 plus more than alternatives. The stretch is good, it's comfortable although they really need an XLT version for the taller surfer as the legs come up short on me and I dont want to compromise the fit. Wearability seems good, although the cuffs constantly roll / flip back in surf, which is annoying. Not had this on other wetsuits and the fit is perfect on my arms and exactly the same as others i own. Everyone differs regarding warmth and only you will know how cold you get in certain situations. Sometimes i need to use a thermal rash vest underneath this in the late spring / summer, sometimes not. ***Just clarify, this is not a winter or cold weather suit*** If you're a new UK surfer or someone that feels cold more than others you can go for a 4:3 suit for the summer and 5:2 ish for winter. However, i prefer to be a little loose in the legs, so I opt for a 2mm thermal rash vest under a 3:2 when its a little chillier. Overall though, the suit does the job and with the exception of the cuffs and leg length options, its ok as an entry level suit. For the increase in price though over a Gul for example, I would consider either spending more on a better wetsuit, or getting a cheaper branded suit that will do exactly the same thing.
M**L
Sin duda es un neopreno que se ajusta perfectamente . Cumple con su funcion, la calidad es óptima y satisface totalmente mis necesidades. En cuanto a las tallas también ha sido muy fácil interpretarlo dando que las opciones eran amplias y ha cumplido con su cometido . El servicio super rápido y el empaquetado igual. Es totalmente recomendable
I**I
Provata al lago per fare sup in ottobre e devo dire che regge bene la temperatura dell'acqua sui 13/14 gradi. Meglio in abbinamento a delle fascette a strappo che bloccano l'ingresso dell'acqua dalle caviglie. Irrinunciabile per chi vuole fare sport acquatici in queste belle giornate di autunno. Consigliata
B**E
Good fit, premium feel
M**O
Good fit and warm.
T**O
O'Neill è una garanzia. Ottima muta che mi calza a pennello, oltre all'ottimo prezzo competitivo. In giro si trovano mute di marche sconosciute più cara. Quindi prodotto stra consigliato. Info riguardo la taglia se può essere d'aiuto: Sono 183 cm per 77 Kg. Ho preso una L ed è perfetta.
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