ONeill Psycho Tech Womens 5.5/4 CZ Full
ONeill Psycho Tech Womens 5.5/4 CZ Full - L / 10 US / EU 40 is backordered and will ship as soon as it is back in stock.
Pickup currently unavailable at The SUP Co x Lymington
UK Delivery & Shipping
UK Delivery & Shipping
Get your gear delivered safely and quickly. Whether it’s a small accessory or a 14ft race board, we use specialist couriers to ensure your order arrives in perfect condition.
UK Shipping Rates:
- Orders over £100: FREE Standard Delivery (Excludes Highlands & Islands).
- Orders under £100: Small items and accessories typically ship from just £4.95.
- Hard Boards & Large Items: Specialist fragile shipping ensures your composite board arrives safely (rates calculated at checkout).
As for returns; we will happily refund an item purchased from The SUP Company if returned to us within 30 days; excluding gift vouchers and customised products, except when faulty. Returned goods must be unused and supplied in their original packaging, unless the goods are faulty.
European & International Shipping
European & International Shipping
European & International Shipping:
We ship daily to Europe and beyond.
IMPORTANT FOR EUROPEAN CUSTOMERS:
- VAT-Free Shopping: All orders placed from outside the UK are exclusive of UK VAT (20%).
- Import Duties & Taxes: Please note that you will be responsible for paying your local country’s import duties, VAT, and any administration fees upon the arrival of your goods. These are charged by your local customs office and are not included in our shipping fee.
As for returns; we will happily refund an item purchased from The SUP Company if returned to us within 30 days; excluding gift vouchers and customised products, except when faulty. Returned goods must be unused and supplied in their original packaging, unless the goods are faulty.
ONeill Psycho Tech Womens 5.5/4 CZ Full - L / 10 US / EU 40 is backordered and will ship as soon as it is back in stock.
Description
Description
The O'Neill Psycho Tech Women's 5.5/4 CZ Full is a premium cold-water wetsuit for committed riders who want to stay warmer, drier and freer-moving in harsh conditions. This is not a 'just in case' purchase — it is the sort of suit you buy when winter water time is a real part of your routine.
Psycho Tech is firmly at the premium end of O'Neill's cold-water range. It is built for committed riders who care about warmth, mobility and reduced flushing when conditions are properly cold.
Why we recommend it
- Serious cold-water warmth for riders who are out in winter, early spring or late autumn and do not want to cut sessions short.
- Full-suit coverage gives you more protection from water temperature, windchill, sun and abrasion on longer sessions.
- Chest zip entry gives a more sealed, performance-led feel with less flushing and better freedom through the shoulders.
- Premium cold-water construction is aimed at frequent riders who care about warmth, reduced flushing and freedom of movement.
Specifications
- Product type: Wetsuit
- Thickness: 5.5/4mm
- Entry: Chest zip
- Coverage: Full suit
- Best for: cold-water UK riding, winter use and longer sessions in harsher conditions
- Tech highlights: TechnoButter 3 neoprene, Firewall thermal lining, Fluid seam weld / sealed seams
What's included
- 1 x O'Neill Psycho Tech Women's 5.5/4 CZ Full
- Any accessories, footwear or other layers shown are not included.
Explore more
Browse more options in our women's wetsuit collection. If you want a premium but slightly lighter-feeling alternative, compare it with the Women's Hyperfreak 5/4 Chest Zip.
FAQs
Is this the right thickness for UK conditions?
For most UK riders, yes — this is cold-water territory. It is the sort of thickness we recommend for winter, early spring and late autumn, especially if you feel the cold or stay out for longer sessions.
Why choose this zip style over a back zip suit?
Chest and front zip designs usually feel more secure and performance-led on the water. They tend to flush less and leave the shoulders feeling freer, although they can take a little longer to get into.
Who is this suit best suited to?
Choose Psycho Tech if you are out often in cold water and want premium warmth, mobility and reduced flushing. It is overkill for occasional mild-weather use, but excellent if winter watersports are a genuine part of your routine.
Payment & Security
Payment methods
We take your security seriously and offer a number of payments methods
that are both secure and fast. Simply select your preferred payment
method at the checkout from the drop down menu or buttons.
Want to Spread the Cost?
We offer Finance up to 48 Months through V12 Retail Finance
We alternatively offer shorter terms via Klarna, Shopify Pay and PayPal Credit - more info at Checkout.

