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O'Neill Psycho One 3/2mm Full 2021

by O'Neill
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The O'Neill Psycho One 3/2mm Full is one of the most adaptable models, which comes in 3/2mm back zip options, and is the finest value in the Psycho suit line. This feature is one of the top favorites, and the back zip version is one of the best back zip entries available.

The unrivaled product is lightweight and versatile with zip closure under Z.E.N. patent, anti-Flush Layer, and seams are kept to a minimum. Paddle zones are continuous, the wrist and ankle seal are made of plasma, the knee padz are by Krypto, with weld fluid seam, and the complete body is designed with TechnoButter 3.

This product is designed to keep you in the water longer, more comfortable, and stoked with the best-picked materials and water-tight double-sealed stitchless excellent seams. Sustainable TB4 firewall technology is visible throughout with TB4 duraskin air firewall in the chest and back to protect you against the cold while retaining and recirculating your body heat.

The O'Neill Psycho One 3/2mm Full in Windance is made of the most excellent rubber and undoubtedly the most flexible on the market, available in remarkable varieties.

Snug but not too tight
Z.E.N. Zip Closure System with Drainhole is a patented system
TechnoButter 3 by O'Neill with featherlight Envy foam rubber core
Exterior fluid seam welded with triple bonded and blind stitched interior
With a minimum seam design, you get insane flexibility, fit, and durability
Upper Barrier 360° with drain holes