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O'Neill's Psycho Tech range focuses on ultimate warmth and all-out durability with high-performance materials and water-tight double-sealed stitchless seams. Sustainable TB4 firewall technology radiates throughout with TB4 duraskin air firewall in the chest and back to shield against the cold while retaining and recirculating your body heat. Designed to keep you in the water longer, more comfortably, and stoked.

Technology & Features

Women's TB4 Firewall

TB4 Firewall

Technobutter 4 (TB4) Firewall utilizes the recycled graphene fibers in a light and soft thermal layer to create a fire hot feedback loop. As the body heat warms the graphene fibers, they conduct the heat back into the body.

TB4 Air-Firewall

Technobutter 4 (TB4) Air-Firewall is the next great thermal breakthrough made better with trapped pockets of air. It uses a special lamination process paired with a core of aerated neoprene and a graphene fiber jersey to create the toastiest conditions.

Chest Zip

Z.E.N. ZIP (back) entry system with free floating zipper panel and anti-flush barrier-2 with drain hole, keeps you warm and unrestricted.

Back Zip

Back Zip

Z.E.N. ZIP (back) entry system with free floating zipper panel and anti-flush barrier-2 with drain hole, keeps you warm and unrestricted.

Technobutter 4 builds on the legendary Technobutter 3, the next evolution of the jersey introduces recycled yarns infused with graphene for increased wear strength and heat retention.
Technobutter 4 Firewall utilizes the recycled graphene fibers in a light and soft thermal layer to create a fire hot feedback loop. As the body heat warms the graphene fibers, they conduct the heat back into the body
TB4 Air Firewall is the next great thermal breakthrough made better with trapped pockets of air. It uses a special lamination process paired with a core of aerated neoprene and a graphene fiber jersey to create the toastiest conditions.
Eco Carbon Black is one of the key ingredients in neoprene. It can now be carbonized from scrap rubber tires using high heat to extract.
Every Psycho Tech Full Suit saves more than 1lb/0.5 kg of harmful plastic from potentially polluting the world’s living oceans.
O’Neill worked with our key manufacturing partner to develop non-solvent based lamination glue called “Aqua-Alpha”.
Dope Dyeing infuses color pigment to the fiber filaments before being spun into yarn. This saves tremendous amounts of water while reducing energy consumption and water pollution.

Men's Wetsuits

Women's Wetsuits