O’Neill’s Psycho Tech 3mm Split Toe Boot has been fitted out with a whole bunch of O’Neill’s premium wetsuit features to give you a high-end boot that really performs. The Psycho Techs have been designed with TechnoButter 3 neoprene, a seriously flexible and supple neoprene that uses an Envy Foam core rubber (basically a neoprene with a whole lot of volume and not much cell wall for max stretch). This means the range of motion in the ankles isn’t restricted by stiff neoprene for more responsive, natural feeling surfing all the while keeping you toasty with a generous 3mm neoprene coverage.
They’ve also been kitted out with some other features you’d expect in a high-end wettie like TechnoButter firewall and TBX3 interior taped seams with a fluid seam weld on the exterior.
“That’s a bit of a mouthful.”
We agree. That’s why we took the time to put together a wetsuit seams blog to help you understand what all this mumbo-jumbo means. Basically, what you’re reading means that water won’t be penetrating the seams of these boots and that they’ve been reinforced to the max to be durable and watertight.
O’Neill Psycho Tech 3mm Boot Features:
- Durable Outsole: Critical stuff given the wear and tear the bottoms of surf booties are exposed to. It protects the neoprene, protects you and gives added grip.
- Anatomical Fit: Not just panels whacked together – they’ve been shaped to match the contour of the average foot for a better feeling fit.
- Arch Strap: This helps to lock your foot into the bootie.
- Heel Pull: For making getting into your booties easier, and anchored to the durable outsole to protect the supple TBX3 neoprene.
- O’Ring Seal: This sits around your ankle and creates a firm seal at the opening to stop water flushing. No point in having these crazy seams if the water’s pouring in through a gaping hole.
- Split-Toe Design: You’ve got to be able to feel your board beneath your feet, and finely adjust your balance, which a split-toe design allows you to do.
- Materials:
- Exterior: TechnoButter 3
- Interior: TechnoButter Firewall
- Interior: TB3X Taped Seams
- Exterior: Fluid Seam Weld












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