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Well-constructed and cleverly designed 3/2mm booties.

With your feet comfortably cocooned in the O'Neill Men's Psycho ST 3/2 Boots, you patiently wait in ankle-deep whitewater for the surf to let up so you can paddle out into the lineup. Designed to keep your feet numb-free in cool surfing conditions, these 3/2-millimeter booties feature wickedly flexible UltraFlex DS neoprene with fabric that moves with you instead of against you. Thanks to its external fluid welded seams and internal taping, the Psycho ST 3/2s provide a watertight seal while anti-flush shin straps prevent water from flushing. In addition, O'Neill incorporated a deep slit toe for improved balance, leash stop toe guard for comfort and convenience, and a heel pull for an easy on and off.

  • UltraFlex DS neoprene
  • Firewall insulation
  • 1X Fluid seam weld
  • Advanced heel-cupping design
  • Deep split toe with leash stop toe guard
  • Forefront cinch hook-and-loop system

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O'Neill Psycho ST 3/2 Boot - Men's

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