O'Neill Psycho One 4/3mm Chest Zip TB3 Wetsuit 2020 - Black

Wetsuit Centre Delivery / Shipping

Shipping And Handling

We aim to pack and ship all orders received before 3pm (12pm for surfboards) the same day and for all orders received after 3pm will try for the same day or dispatched the next working day, either by Courier or Royal Mail. Delivery Charges are based on the total value in your Shopping Basket as per the chart below. All wetsuits over £90 we will send via next day courier service. The Delivery charge is shown in the Shopping Basket summary when an item is added, also in the Checkout page and finally on the Secure Payment page.



  • Orders to British Forces (BFPO) available minus 20% VAT
  • Orders to outside Europe available minus 20% VAT

Please also note: We have a no quibble 90 day exchange policy providing the item has not been used.

** 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, please inquire to find out more about your postcode.

** Saturday Delivery - Saturday Delivery is £9.95 extra excluding surfboards. So items ordered on Friday with Next Day Service will arrive Monday, unless ordered after 3pm which will be delivered Tuesday. 

** Mainland Europe. Charges may apply to island/remote destinations like Cyprus, parts of Greece, Malta, Canary Islands etc... Note, we are not able to offer express 96 hour delivery to Bulgaria, Greece, latvia and Cyprus.

** Rest of world charges may apply to destinations like Madagascar, Japan, USA, Falkland Islands, etc…

All board bags outside mainland UK will be an additional cost of between £15 and £25 shipping each.

Delivery Schedule
We aim to deliver your order right away! You will normally receive your order to you within 48 hours from receipt of payment.

United Kingdom

Surfboards Delivery Free Next Day Delivery  (Firewire Surfboard Delivery £9.99)  
All Other Items (Excluding Surfboards) Under £20.01 Over £20 Express
  1st Class
within 3 Days
24 hour Courier


Surfboards Delivery Courier £44.95    
All Other Items (Excluding Surfboards) 1st Class Under
Recorded 1st Class
FREE On Orders
Over £50 Otherwise
  6-8 Days
4-6 Days
2-4 day Courier

Rest of the World - PLEASE NOTE ISRAEL Can take significantly longer due to the Israeli Customs & Postal Service.

Surfboards Delivery Not Available    
All Other Items (Excluding Surfboards) Basic 1st Class Trackable 1st Class
FREE On Orders
Over £50 Otherwise
  7-10 Days
4-7 Days
3-5 day Courier
0% of 100
Technobutter 3 Wetsuit The Most Flexible & Warm Neoprene Money Can Buy.... FREE UK & EU DELIVERY

Unfortunately, this product is currently out of stock.

Pay with PayPal

O'Neill Psycho One 4/3mm Chest Zip Wetsuit 2020 - Technobutter Wetsuit

The O'Neill Psycho One 4/3mm chest zip wetsuit is all about performance and flexibility in the water. The minimal seams is designed to give you unbelievable movement and this year O'neill have introduced the all new Technobutter 3 neoprene which makes the suit lighter with the most amount of flex you will ever find. When you put the suit on It really does feel like you are wearing nothing, it's that good!! The chest zip entry gives you even more movement as you have no back restrictions. The introduction of the Technobutter 3 gives you most flexible and warm suit which will be a game changer in all wetsuits.

Being a 4/3mm wetsuit this is perfect for someone that tends to go in UK waters from the months of April till January 


  • Double Super Seal Neck
  • Single Fluid Seam Weld (Watertight Technology)
  • TechnoButter 3 Hydrophobic Neoprene
  • Super Minimal Seam Design
  • Krypto Knee Padz
  • External Key Pocket with Loop
  • Plasma Wrist and Ankle Seals
  • Contortionist Seamless Shoulder
  • Strategic Seamless Paddle Zones
  • F.U.Z.E Zip Closure System with Drainhole


Uses the same zipper technology as our Patented Z.E.N Zip Closure keeping you dry without restricting flexibilty.


Keeps water from entering at all seams and critical points.


Insane flexibility, fit and warmth using a unique design which utilises fewer seams and giant panels.

O'Neill Psycho One 4/3mm Chest Zip TB3 Wetsuit 2020 - Black Size Chart
Product Information
ManufacturerO'Neill Wetsuits
Youtube Url(embeded)
MPN Number4967-a00
IBAN Number:0000000156592
StyleChest Zip
Product Thickness4mm
Age Groupadult
Item ReturnsThis item can be returned
Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account