O'Neill Epic 4/3mm Back Zip Wetsuit 2025 - Black / Graphite / Baliblu
O'Neill Epic 4/3mm Back Zip Wetsuit 2025 - Black / Graphite / Baliblu
Men's 4/3mm back zip suit in 100% UltraFlex neoprene with FluidFlex Firewall panels, GBS seams and an easy back zip entry for warmth and stretch in cooler water.
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Why buy from Wetsuit Centre?
Why buy from Wetsuit Centre?
There is a simple answer, we are a team made up of water sports enthusiasts; surfers, sailors, open water swimmers and more. Watersports are our passion, and that's why we are committed to sourcing the best products and providing the best service possible.
Does it come with a warranty?
Does it come with a warranty?
All wetsuits we sell have a 1 year warranty and all wetsuits accessories have a 3 month warranty from when the item was purchased. Visit our warranty information page for more details.
What happens if I don't like it?
What happens if I don't like it?
We offer a 30 Day returns policy on all unused products in original condition, including all tags and packaging. For full details see our Returns Policy.
How fast is shipping?
How fast is shipping?
We offer 24hr tracked delivery on all our core products. Surfboard delivery is 2 Days.
Some products may be shipped from one of our other locations, depending on our main warehouse stock levels. In this case we may be unable to offer 24hr delivery. Please check the delivery information on the product page and at checkout.
For full delivery and shipping information click here.
What's the returns policy?
What's the returns policy?
The Wetsuit Centre has a 30 days return policy on all items purchased on our website from the date of the order.
To initiate a UK return, please click here to use our online portal.
Visit our Returns & Refunds Page for full details.
Got a question?
O'Neill Epic 4 / 3mm Back Zip Wetsuit in Black / Graphite / Baliblu
The Epic 4 / 3mm Back Zip Wetsuit delivers top-tier performance and comfort at an accessible price point, making it an ideal choice for surfers looking for dependable warmth and flexibility. Made with 100% UltraFlex neoprene, the Epic offers exceptional stretch and comfort, allowing for a wide range of movement whether you're paddling, duck diving, or riding. The FluidFlex Firewall panels provide extra insulation in critical areas, keeping your core warm in cooler water conditions, while the back zip entry system makes for easy on-and-off access.
Packed with practical features, the Epic includes a wind-proof Smoothskin exterior for added protection against the elements and a Double Super Seal Collar that prevents flushing without compromising comfort. The seams are glued and blindstitched to ensure minimal water entry while maintaining flexibility and durability. Additional thoughtful details like the external key pocket with a secure loop and the Lumbar Seamless Design (LSD) for improved fit and comfort round out this wetsuit's user-focused construction. Whether you're a weekend warrior or a daily shredder, the Epic 4 / 3mm is built to keep you warm and moving freely through every session.
FEATURES
- Back Zip
- Wind-Proof Smoothskin
- Double Super Seal Collar
- External Key Pocket with Loop
- UltraFlex Neoprene
- FluidFlex Firewall
- Glued and Blindstitched Seams

O'Neill Mens Wetsuit Size Guide
| Size |
Height | Weight | Chest | Waist |
| (cm) | (kg) | (cm) | (cm) | |
| XXS | 168 - 173 | 52 - 59 | 90 - 93 | 70 - 72 |
| XS | 170 - 175 | 57 - 64 | 93 - 95 | 72 - 75 |
| SS | 166 - 171 | 59 - 68 | 95 - 99 | 75 - 79 |
| S | 173 - 178 | 61 - 70 | 95 - 99 | 75 - 79 |
| ST | 183 - 188 | 66 - 75 | 95 - 99 | 75 - 79 |
| MS | 169 - 174 | 66 - 75 | 99 - 104 | 79 - 84 |
| M | 175 - 180 | 70 - 77 | 99 - 104 | 79 - 84 |
| MT | 185 - 191 | 73 - 82 | 99 - 104 | 79 - 84 |
| LS | 171 - 177 | 73 - 82 | 104 - 110 | 84 - 89 |
| L | 178 - 183 | 77 - 86 | 104 - 110 | 84 - 89 |
| LT | 188 - 193 | 82 - 91 | 104 - 110 | 84 - 89 |
| XLS | 174 - 179 | 82 - 91 | 110 - 117 | 89 - 94 |
| XL | 180 - 185 | 86 - 95 | 110 - 117 | 89 - 94 |
| XLT | 191 - 196 | 91 - 100 | 110 - 117 | 89 - 94 |
| 2XL | 183 - 188 | 95 - 104 | 117 - 123 | 94 - 99 |
| 3XL | 183 - 191 | 104 - 113 | 123 - 130 | 99 - 112 |
| 4XL | 185 - 193 | 113 - 122 | 130 - 136 | 112 - 122 |
Wetsuit Centre Delivery / Shipping
At The Wetsuit Centre we always want to maintain the highest level of customer satisfaction. If you have any issues with delivery of an item, please email us at info@wetsuitcentre.co.uk with the subject line - 'delivery update' and your order number.
Please also note: We have a no quibble 30 day exchange or refund policy providing the item has not been used.
Shipping And Handling
We aim to pack and ship all orders received before 3pm (1pm for surfboards and bulky items) the same day, and for all orders received after 3pm will be dispatched the next working day (excluding Bank Holidays), either by Courier or Royal Mail. Delivery Charges are based on the value & size of products in your shopping basket as per the chart below. Shipping and discounts are calculated at checkout based on your shipping address.
Europe & International Shipping
Costs and schedule calculated at checkout. We now sell all products internationally as DDP (delivery duty paid). This means the price you pay on our website is the total price*... Including all import duties and your country's VAT paid. This means your products will get to you much quicker, and with no unexpected fees.
Scotland & NI
We cannot provide next day delivery for some areas of Scotland And Northern Ireland, our courier service will instead offer a 2 day service.
Saturday Delivery
Saturday Delivery is £9.95. Please order before 3pm Friday. This service is not available for surfboards or bulky items.
United Kingdom
| Orders over £100 Royal Mail |
48 Hour (excludes surfboards & bulky items) | Free Delivery |
| Royal Mail | 48 hour | £4.95 |
| Royal Mail | 24 hour | £6.95 |
| Royal Mail | Saturday Delivery | £9.99 |
| Bulky items (Bodyboards, large boardbags etc.) | Courier 48 hour | £12 |
| Surfboards | Courier 48 hour |
£30 |
*Please be aware that there are various factors and regional price differences that can affect worldwide shipping. In some rare instances, we may not be able to ship items internationally at the prices listed. If this occurs, we will reach out to you before dispatching your order, to arrange payment or offer a full refund.
£199.95