Reactor 3/2 GBS Back Zip Steamer Wetsuit
Reactor 3/2 GBS Back Zip Steamer Wetsuit
Reactor 3/2 GBS Back Zip Steamer Wetsuit
Reactor 3/2 GBS Back Zip Steamer Wetsuit

Reactor 3/2 GBS Back Zip Steamer Wetsuit

WST5B1MA-BLK-S

Our price$299.99
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  • Free shipping on orders $99 or more (excludes bulky items)
  • "No Worries" 30-Day Returns - *Exceptions Apply

O'Neill Reactor 3/2 GBS Back Zip Steamer Wetsuit

Built for Performance. Priced for Value: The O'Neill Reactor 3/2 GBS Back Zip Steamer Wetsuit is your go-to suit when you're looking for solid performance, long-lasting durability, and unbeatable value. Designed with clean lines and dependable construction, it’s ideal for entry-level surfers or anyone wanting a reliable wetsuit for regular use. With flexible UltraFlex neoprene in the arms and seamless paddle zones, it allows you to move comfortably through every session.

Engineered for Performance:

  • UltraFlex DS Neoprene: Stretchy, soft, and durable neoprene designed for freedom of movement and overall comfort.
  • Back Zip Entry: Classic and convenient zip system for easy entry and exit.
  • Sealed GBS Seams: Triple-glued and blind-stitched seams with stress-point taping help prevent flushing while increasing durability.

Features Designed for Surfers:

  • Seamless Paddle Zones: Strategically placed panels reduce seam irritation and improve shoulder mobility.
  • Adjustable Collar: Creates a secure, customizable seal to help prevent water entry.
  • 3/2mm Thickness: Offers reliable warmth and flexibility for moderate water temps.
  • Hidden Key Pocket: Discreet and secure key storage so you can focus on your surf.

Why Choose the Reactor 3/2 GBS Back Zip Steamer Wetsuit?

The Reactor 3/2 GBS is the perfect blend of function, comfort, and value—making it ideal for beginners or weekend warriors who want trusted O’Neill quality without the premium price tag. It’s warm, flexible, and built to handle everything from your local break to your next surf trip.

Reliable. Comfortable. Affordable. The Reactor 3/2 GBS Back Zip Steamer is a wetsuit that works as hard as you do in the water.

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Free delivery on orders over $99*

We aim for Same Day Despatch for most orders received by 12pm Monday – Friday.

We offer the following delivery options at checkout:

Standard: Generally arrives in 3-11 business days

  • FREE for orders $99 or more*
  • $9.95 for orders less than $99*

Express: Generally arrives in 2-5 business days

  • $14.95 for orders less than $99*
  • $9.95 for orders $99 or more* 

* Note: Free Shipping offer excludes bulky items such as such as surfboards, bodyboards, heavy board racks and certain other bulky items. Options are provided at checkout.

See full shipping info here

30 day “No Worries” Returns

Your can return items that are unused, unworn, with all tags within 30 days of purchase. Note some exceptions apply.

You are responsible for paying the return delivery cost or return it to us in-store.

All refunds will be issued to the original payment method.

If you would like to exchange an item please let us know and we will try to assist.

See full Returns Policy here

Start a return here

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