- Free shipping on orders $99 or more (excludes bulky items)
- Shop Local - Northern Beaches FREE Next Day Delivery
- "No Worries" 30-Day Returns - *Exceptions Apply
O'Neill Reactor II 4/3 Back Zip Steamer Wetsuit
Performance Meets Value - Cold Water Ready. The Reactor II 4/3 Back Zip Steamer Wetsuit is designed for surfers seeking warmth, stretch, and durability—without the high price tag. Featuring UltraFlex neoprene for enhanced paddling mobility and seamless paddle zones for chafe-free comfort, this wetsuit delivers solid performance in cool-to-cold water conditions.
The back zip entry system allows for easy on-and-off access, while sealed GBS seams and stress-point taping help lock in heat and block out water. With a classic look and a reliable design, the Reactor II continues to be a go-to wetsuit for entry-level to intermediate surfers.
Engineered for Cold-Water Comfort:
-
UltraFlex DS Neoprene: Flexible, durable neoprene that offers soft comfort and unrestricted movement in the arms and shoulders.
-
Back Zip Entry: Classic and convenient design for easy entry with a secure fit.
- Sealed GBS Seams: Glued and blind stitched seams reinforced with tape at stress points for warmth and durability.
Key Features:
-
4/3mm Thickness: Provides ideal insulation for cold-water surfing while maintaining flexibility in movement zones.
-
Seamless Paddle Zones: Minimise chafing and improve comfort and mobility through the upper body.
-
Adjustable Collar: Customizes fit and helps reduce water entry.
- Hidden Key Pocket: Discreet, secure storage for your key while in the water.
Why Choose the Reactor II 4/3 Back Zip Steamer Wetsuit?
With a smart balance of warmth, stretch, and affordability, the Reactor II 4/3 is a perfect entry-level wetsuit that’s built to perform and made to last. Whether you're starting out or looking for a reliable backup suit, it’s a versatile choice for cold-water adventures.
Goes well with
Free delivery on orders over $99*
We aim for Same Day Despatch for most orders received by 12pm Monday – Friday.
Free Northern Beaches Delivery on orders over $50. Fast despatch, most arrive within 1 business day.
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*
Local Delivery: FREE Next Day delivery for Sydney Northern Beaches residents, for orders $50 or more. Applies only to items in stock at our Brookvale Store or Warehouse.
* Note: Standard & Express 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.
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.
For approved change-of-mind returns, you can choose from the following options:
- Exchange: One FREE exchange with no return processing fee
- Store credit: Bonus credit + no return processing fee
- Refund to original payment method: $9.95 return processing fee.
You are responsible for paying the return delivery cost, or you can return it to us in-store.