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O'Neill Men's Psychofreak 3.5 MM Split Toe Bootie

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From $60.95 - $79.94
SKU: 4053
Product Code: 42195

Availability: Usually Ships in 24 Hours
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The new and high-tech bootie from O'Neill™ has plenty of special features for great grip and glory. This updated version delivers better traction and overall support.


  • XDS- Air firewall: Ultra-stretch Neoprene.
  • State-of-the-art insulative Jersey.
  • Interior taped seams.


  • Deep split toe design improved balance.
  • Ankle and forefoot cinch Velcro® closure system.
  • Best impact-compression cushioning on the market.
  • Enhanced hell-to-toe strike for better pump during the transition.
  • Integrated arch support: increased contact between the foot and the board.
  • Keeps the boot cinched tight to keep water out.
  • Forefoot compression strap decreases bulk.
  • Keeps the foot from rolling in the boot.
  • External fluid seam weld.
  • Anti-flush shin strap.
  • Leash stop toe guard.

Also seen in:

Beach Shop
Surf Shop




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.