Technical Features
Technical Features
TechnoButter4 Duraskin Air Firewall (Chest/ Back)
TB4 Air Firewall paired with Duraskin features a recycled graphene interior with wind-shielding and a fully water-repellent smooth skin exterior that is more durable and warmer than before.
TechnoButter4 Firewall (Thigh/ Butt/ Shins/ Calf)
TB4 Firewall utilises recycled graphene fibres at a thicker pile. As your body heat warms the graphene fibres, they return heat back into your body.
TechnoButter4 (Arms/ Shoulders)
TB4, our award-winning wetsuit technology, introduces recycled yarns infused with graphene for increased flexibility and heat retention.
TechnoButter4 X (Entry)
Stitchless Exterior Fluid Seam Weld Technology with Interior Recycled TechnoButterX Tape
Description
Description
*The Psycho Tech is built for the absolute harshest conditions and allows the user to surf for hours on end.*
O’Neill’s Psycho Tech combines our exclusive TechnoButter 3 neoprene with TechnoButter 3 Air Firewall insulation, Stitchless Seam technology with exterior Single Fluid Seam Welding, internal TB3X Tape, and a F.U.Z.E Closure System. It is lighter, warmer, more insulating, and quick-drying, with improved ease of entry. Psycho Tech is the latest advancement in cold-water wetsuit technology from the innovators for over 70 years.
Shipping & Returns
Shipping & Returns
SHIPPING FEES & DELIVER TIMES
CLICK HERE for a full list of countries.
RETURNS
You have 30 days from order’s delivery date to return your purchase. From March 3rd 2025, a 2.99€ fee will apply to returns from all EU countries. (The United Kingdom is currently excluded.) This amount will be automatically deducted from your refund. For more information about this CLICK HERE.
Size, Advice & Fit
Size, Advice & Fit
Size chart
Thickness (mm)
5/4mm
Entry
F.U.Z.E. Closure (Chest Zip)
Seam Type
Stitchless Exterior Fluid Seam Weld Technology with Interior Recycled TechnoButterX Tape