The 2021 / 2022 O'Neill Psycho Tech 5/4mm plus chest zip wetsuit combines their exclusive TechnoButter 3 and added heat-generating TechnoButter Air-Firewall. These suits are packed full with the hi-tech features you need to stay warm and toasty in any condition.
F.U.Z.E. Closure (Chest Zip)
Redzone Water Resistant Zipper
360° Barrier With Drainholes
Double Super Seal Neck
Stitch-less Seam Technology
Fluid Seam Weld
Fully Taped TB3-X Seams
Arms/ Shoulders/ Shins/ Calf: Technobutter 3
Chest/ Back: Technobutter 3 Air-Firewall Smoothskin
Thigh/ Butt: Technobutter 3 Firewall
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