O'Neill Youth Psycho I 4/3 Wetsuit

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SKU: ONL4614
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Availability: In stock


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Family Owned Since 1980. Online since 1999.



The O'Neill Youth Psycho I Wetsuit is a streamline, competition style suit that has unbeatable stretch and unmatched comfort. Super lightweight, the Psycho I is made of 100% gooey TechnoButter 2 Neoprene which offers insane flexibility, fit and warmth. The Youth Psycho I is a team inspired, high performance chest zip wetsuit for those highly skilled up and comers looking to break into the contest scene and start making waves.


Thickness: 4/3mm

Neoprene: TB2 Neoprene

Seams: Single Fluid Seam Weld

Zipper: Chest Zip

Hood: None

Model Year: 2015/2016

Manufactures Part Number: 4614


Product Features

  • Technobutter 2 Neoprene: Advanced super stretch neoprene, 20% lighter, 30% less water absorption with improved durability and quick dry properties
  • Single Fluid Seam Weld: Watertight stitch-less technology that keeps water from entering at all seams and critical points
  • Double Super Seal Neck: A toasty warm two-layer design featuring a 360 smooth skin interior lining, wide adjustability and a secure lock down.
  • F.U.Z.E. Closure System: Front Upper Zip Entry uses the same zipper technology as our Z.E.N. Zip closure keeping you dry without restricting flexibility.
  • Super Seal Cuffs: Fused to create a very low profile at the cuff ending creating the best seal ever. The low profile prevents water entry and improves durability in your wrist and ankles.
  • Super Minimal Seam Design: Minimal seam design for greater flexibility and mobility.
  • Krypto Knee Padz: Abrasion resistant, high stretch neoprene panel with ergonomic shaping designed to extend the life of the wetsuit and protect the knee while punching through waves.
  • External Key Pocket: Located along the lower leg inseam, this key pocket is easy to access and completely secure.
  • Plasma Wrist and Ankle Seals: Helps prevent flushing through the wrists and ankles and keeps a secure fit.
  • Contortionist Seamless Shoulders: Seamless shoulder panels for unrestricted mobility and ultimate stretch.
  • Strategic Seamless Paddle Zones: An ergonomic, seamless undersleeve panel that allows for unrestricted motion and eliminates rashing.
  • Limited 1-year warranty (from date of original purchase) on workmanship and materials.


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Size Chart

At Cleanline Surf we specialize in sizing O’Neill Youth Wetsuits. We do have the manufacturers size chart available below but please take it with a grain of salt. If you have any doubt about what size you need we strongly urge you to call us and speak with one of our wetsuit experts. Getting the right size is extremely important and in the end it will save you both time and money by avoiding the need for a return.

12′10.5″-3′1.5″25-30 lbs19-21″18-20″19-21″9.5″10-12″
23′1.5″-3′4.5″30-35 lbs20-22″19-21″20-22″9.75″11.5-13.5″
33′4.5″-3′7.5″35-40 lbs21-23″20-22″21-23″10″12-14″
43′10.5″-4′1.5″40-55 lbs23-25″20-22″23-25″10.5″17-19″
64′1.5″-4′4.5″50-65 lbs24.5-26.5″21.5-23.5″25-27″11″18.5-20.5″
84′4.5″-4′7.5″60-75 lbs26-28″23-25″27-29″11.5″20-22″
104′7″-4′10″75-90 lbs28-30″23-25″28-30″12.5″23-25″
124′10″-5′1″90-105 lbs29-31″25-27″30-32″13″24-26″
145′1″-5′4″105-120 lbs31-33″27-29″32-34″13.5″26-28″
165′4″-5′7″120-135 lbs33-35″28-30″34-36″14″27-29″

Full O’Neill Wetsuit Size Chart



If the product is found to be defective under normal use and proper care, O'Neill will repair or replace the product at our sole discretion. The decision to replace or repair a product is made by the O'Neill Warranty Department after receipt of the defective product. At no time does the O'Neill offer refunds. Defective product should be returned clean and dry, postage prepaid. Please include a note with product description, product defects, requested action, return address (be sure to include postal code, especially for Canadian addresses), daytime phone number with area code, customers name and a copy of the purchase receipt sent to the address below.

Suits without a copy of the purchase receipt will NOT BE COVERED UNDER WARRANTY.


  • Products classified as seconds
  • Fading from sunlight
  • Alterations
  • Materials over 1 year (from date of original purchase), or 90 days for accessories
  • Repairs or alterations done by anyone other than O'Neill or an O'Neill authorized repair facility
  • Warranty request without original receipt


Flat-Stitched Products, Glued and Blindstitched Products, and Fluid Seam Weld Products

  • Limited 1-year warranty (from date of original purchase) on workmanship and materials.

Neoprene Dry Suits

  • Limited 1-year warranty (from date of original purchase) on workman ship and materials (waterproof zipper excluded)


  • Limited 90-day (from date of original purchase) warranty on workmanship and materials


For repairs received from the dealer or end user, O'Neill offers:

  • 10 Business Day Turnaround for warranty Stitched Suits
  • 10 Business Day Turnaround for warranty Glued Suits
  • 20 Business Day Turnaround for warranty Fluid Seam Welded Suits
  • 30 Business Day Turnaround for all Non-Warranty Repairs

Repairs are to be returned clean and dry, postage paid. Please include the name and a daytime phone number with area code, return address, product description, and requested action.

Send Repairs To:

O'Neill U.S. Warranty Repair
1022 Bay Marina Drive, Suite 140B
National City, CA 91950
Tel: 1-800-331-1637


Returns are easy! We understand that in some situations returns or exchanges may be necessary. We also want you to be stoked on your purchase. If you are not 100% satisfied with your purchase you may return it for a full refund, or exchange within 30 days of receiving your order. Items must be in new condition with original tags and packaging.

Please make sure your wetsuit fits before taking it in the water. We are not able to take returns or exchanges on used wetsuits.

Click here for our full Return Policy