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O'Neill Heat 3MM Split Toe Boot O'Neill Heat 3MM Split Toe Boot O'Neill Heat 3MM Split Toe Boot O'Neill Heat 3MM Split Toe Boot O'Neill Heat 3MM Split Toe Boot O'Neill Heat 3MM Split Toe Boot O'Neill Heat 3MM Split Toe Boot O'Neill Heat 3MM Split Toe Boot

O'Neill Heat 3MM Split Toe Boot

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SKU: 3367
Product Code: 49145
Availability: Usually Ships in 24 Hours
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  • Perfect for beginners or experienced surfers, the O'Neill Heat 3MM Split Toe Boot has the technology you want to keep water out and warmth in. Tuck this bootie under your wetsuit for a greater water seal.


    • 100% Super Stretch Neoprene.
    • Fluid foam exterior.
    • Glued and Blindstitched construction.
    • 3mm thickness.


    • Shin strap helps tighten boots to prevent flushing.
    • Split toe design for a comfortable fit.


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  • 4.5 Review Stars (4 Reviews)

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  • 4/25/2016 Oneill heat boots

    4 Review Stars By Anthony

    This bootie fits slightly wide for those with regular sized feet but my feet run a hair wide which is great for this style. Great bootie for the price and does the job!

    Los Angeles, CA

    Fit: Feels true to size

  • 11/3/2015 Great fit, comfortable ride

    4 Review Stars By jd

    Product was true to shoe size. Wish they had zippers for drying but overall very glad with the choice.

    San Francisco, CA

    Fit: Feels true to size

  • 9/26/2015 O'Neill Heat 3MM Split Toe Boot

    4 Review Stars By bou bo

    fits just like a glove, i love it

    bou bo

    Fit: Feels true to size

  • 7/7/2014 Very happy customer!!

    5 Review Stars By Collin W.

    I have never had a split toe bootie before.. Bought these, and will never go back to round toe!  I wore these on three Kayak fishing trips over last weekend.. and very happy with this boot!  Great product at a great price!~  Thank you!

    Collin W.

    Fit: Feels true to size

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More From O'NEILL



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.