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O'Neill Men's Heat 3QZIP 3/2MM FSW Fullsuit

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SKU: 3858
Product Code: 49124

Availability: Usually Ships in 24 Hours
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    The Heat Fullsuit is stuffed with all new high-end features and material, making this suit lighter, warmer and more flexible.

    • Fullsuit.
    • 3/2mm thickness.
    • Heat Technology:
      1. Built with 100% UltraFlex DS Neoprene.
      2. X-Type firewall in the chest and back make this suit warmer and more flexible.
    • Features:
      1. 100% Ultra Stretch: UltraFlex DS.
      2. Single fluid seam weld (external) keeps water from entering at all seams and critical points.
      3. Code red zipper: Urethane coated zipper keeps water from entering at the back entry point.
      4. UltraFlex X-Type Firewall: Measurably lighter, warmer and more flexible (30% more stretch).
      5. Body: 100% UltraFlex DS.
      6. Chest/Back: Smooth Skin UltraFlex Firewall.
      7. Knee: Krypto.
      8. Neck facing: Glideskin.
      9. Exterior fluid seam weld.
      10. Double super seal neck.
      11. Covert code red zipper.
      12. External key pocket with loop.
    • Paneling:
      1. Strategic seamless paddle zones.
      2. LSD: Lumbar Seamless Design.
      3. Sidewinder S-Curve Seams.




Jack O'Neill began surfing in 1952, before functional surf apparel was invented. While working for the Army Air Corps, O'Neill discovered neoprene foam in a DC-3 airplane. He then combined the neoprene carpeting with duct tape to create the first neoprene wetsuit.

Demand for O'Neill's neoprene wetsuits grew rapidly and he began a business selling the O'Neill wetsuits out of his garage. By 1980, he was a leader in the beach apparel industry with a thriving business. Since then, O'Neill™ has become a widely recognized and respected brand in the surf industry, continually creating new and innovative products. In addition to O'Neill wetsuits, they carry O'Neill boardshorts, O'Neill dresses, O'Neill hats, O'Neill rash guards, O'Neill swimsuits, O'Neill water shoes, O'Neill sandals, O'Neill life jackets and O'Neill t-shirts.

In addition to his business success, O'Neill also created a non-profit foundation for kids. O'Neill developed the O'Neill Sea Odyssey Program: a free, educational cruise that introduces kids to the microbiology of the Monterey Bay Marine Sanctuary, beginning at Jack O'Neill's doorstep.