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Welcome to my review of the O’Neill Men’s Reactor II 3/2mm Back Zip Full Wetsuit. In this article, I will analyze this wetsuit’s features, performance, strengths, and weaknesses. As an enthusiast and advisor in the world of neoprene wetsuits, I aim to give you valuable insights and helpful suggestions to assist you in making an informed purchasing decision. So, let’s dive in!

O’Neill Men’s Reactor Wetsuit Key Features

The O’Neill Men’s Reactor II 3/2mm Back Zip Full Wetsuit is designed to offer exceptional performance in the water. It features a high-quality neoprene construction with a thickness of 3/2mm, which provides a balance between flexibility and insulation. The wetsuit’s back zip design ensures easy entry and exit, making putting on and taking off convenient. With sealed seams and a durable build, the Reactor II is built to withstand the demands of water activities.

Comfort and Fit

One of the most important factors to consider when choosing a wetsuit is comfort. The Reactor II excels, providing a snug and comfortable fit. The neoprene material used in its construction is soft and stretchy, allowing for excellent flexibility and freedom of movement. Whether swimming, surfing, or engaging in other water sports, the Reactor II ensures that you can move comfortably without any restrictions.

Thermal Insulation

When it comes to cold water activities, thermal insulation is crucial. The O’Neill Men’s Reactor II 3/2mm Back Zip Full Wetsuit is designed to keep your body warm even in chilly conditions. The 3/2mm thickness balances heat retention and flexibility, making it suitable for various water temperatures. Whether diving into colder waters or enjoying a milder climate, the Reactor II provides adequate insulation to keep you comfortable.

Durability and Construction

Durability is essential to any wetsuit, and the Reactor II doesn’t disappoint. It is constructed using high-quality neoprene and employs advanced stitching techniques to ensure long-lasting performance. The glued and blind-stitched seams offer excellent durability and minimize water entry. You can trust the Reactor II to withstand the rigors of frequent use and resist wear and tear.

O’Neill Men’s Reactor Wetsuit Performance in Water

The Reactor II delivers excellent performance in various water activities. Whether swimming laps or catching waves, this wetsuit provides the flexibility and range of motion you need. Its lightweight design doesn’t hinder your movements, allowing you to perform at your best. The back zip closure ensures a secure fit, minimizing water entry and maintaining your body’s warmth.

Design and Style

Apart from functionality, the Reactor II also offers a stylish design. O’Neill has paid attention to detail, offering a range of visually appealing color options. The wetsuit features the brand’s logo and branding elements, adding to its overall aesthetic appeal. You can feel confident and look great while wearing the Reactor II in the water.

O’Neill Men’s Reactor Wetsuit Price and Value for Money

Check the current prices on Amazon. The price of the O’Neill Men’s Reactor II 3/2mm Back Zip Full Wetsuit offers excellent value for money. While it may not be the cheapest wetsuit on the market, the combination of its high-quality construction, performance, and durability justifies the price tag. Compared to other wetsuits in a similar price range, the Reactor II is a reliable and feature-rich option.

Customer Reviews and Ratings

Let’s look at what customers say about the Reactor II wetsuit to gain a broader perspective. Feedback from various sources indicates that users are generally satisfied with its performance, fit, and durability. Many users praise its thermal insulation properties and the comfortable feel during water activities. Overall, Reactor II has received positive ratings and reviews from the community.

O’Neill Men’s Reactor Wetsuit Pros and Cons

Here are some of the key strengths and weaknesses of the O’Neill Men’s Reactor II 3/2mm Back Zip Full Wetsuit:


  • Excellent fit and comfort
  • Good thermal insulation for various water temperatures
  • Durable construction and high-quality materials
  • Flexible and allows for a wide range of motion
  • Stylish design with appealing color options


  • Back zip design may require assistance for zipping up
  • Sizing may run smaller for some individuals
  • Limited color options compared to other wetsuits

Who is it Suitable For?

The O’Neill Men’s Reactor II 3/2mm Back Zip Full Wetsuit suits a wide range of water enthusiasts. Whether you’re a beginner or an experienced water sports enthusiast, this wetsuit provides the necessary features and performance for various activities. It is ideal for swimmers, surfers, paddleboarders, and other individuals engaging in water sports in different temperature conditions.

O’Neill Men’s Reactor Wetsuit Care and Maintenance

Proper care and maintenance are essential to ensure the longevity of your Reactor II wetsuit. After each use, rinse it with fresh water to remove salt or sand. Hang it to dry in a shaded area, away from direct sunlight. Avoid harsh detergents or bleach; never machine wash or tumble dry the wetsuit. Following these care instructions will help maintain the wetsuit’s performance and extend its lifespan.

Size Guide and Fit Tips

Choosing the right size wetsuit is crucial for optimal performance and comfort. Refer to the manufacturer’s size guide to determine the most suitable size based on your measurements. It’s important to note that wetsuits should fit snugly but not restrict movement or cause discomfort. If you’re unsure, it’s advisable to try the wetsuit on before making a purchase or consult with customer support for further guidance.

Frequently Asked Questions (FAQs)

  • Can I use the O’Neill Reactor II wetsuit for diving?

The Reactor II is primarily designed for surface water activities like swimming and surfing. For diving, it’s recommended to use a wetsuit specifically designed for that purpose.

  • Is the back zip easy to use?

While the back zip design offers convenience, some users may struggle to zip up without assistance. It’s recommended to practice zipping and unzipping before your water activities.

  • Does the wetsuit come with any warranty?

O’Neill offers a warranty for their wetsuits, but the specific terms and duration may vary. Check the product packaging or the manufacturer’s website for warranty details.


In conclusion, the O’Neill Men’s Reactor II 3/2mm Back Zip Full Wetsuit is a reliable and feature-rich option for water enthusiasts. Its comfort, thermal insulation, durability, and performance make it a great choice for various water activities. While it may have minor drawbacks, the Reactor II offers excellent value for money and is suitable for individuals seeking a high-quality wetsuit. Check the current prices on Amazon and make a splash with the O’Neill Reactor II!


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Melissa Myers

I'm Melissa Myers, a water sports aficionado and proud founder of Wake Breaking, your go-to online hub for all things water towables. Driven by my passion for aquatic adventure, I'm dedicated to equipping fellow thrill-seekers with cutting-edge gear and valuable insights for exhilarating experiences out on the water.

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