O'Neill 3MM Heat Sock (Pair)

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Wear the O'Neill 3MM Heat Socks alone or under your favorite pair of boots for an extra layer of insulation. These 3mm... Read More
SKU: 0041 Product Code: 8123674

Product Details

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    Wear the O'Neill 3MM Heat Socks alone or under your favorite pair of boots for an extra layer of insulation. These 3mm socks feature a durable construction to keep you warm and protected all day long.


    • 100% SuperStretch neoprene.
    • Glued & blindstitched seaming.
    • Socks contain no sole and no tread.
    • Designed for 65°F and up.

    Country of Origin

    • Imported

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  • 5 Review Stars (4 Reviews)

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    See all 4 customer reviews
  • 3/11/2020 Keeps my feet warm

    4 Review Stars By JC

    However, water still gets in the socks even though they are a tight fit


    Fit: Feels true to size

  • 10/21/2018 O'Neill 2MM Heat Socks

    5 Review Stars By Lucille

    These swim socks are wonderful! They fit perfectly and are easy to use with my fins. They are nice and warm and snug and keep my toes toasty.

    Davis, CA

    Fit: Feels true to size

  • 1/3/2018 Actually it's a 3mm!ūüėĀ

    5 Review Stars By Aline

    Great fit, perfect for what we need ! Good quality!

    Topanga, Ca

    Fit: Feels true to size

  • 3/15/2015 Awesome

    5 Review Stars By mike

    Great. Nice good fit. No hard stuff on the bottom(like the h20 oddysey sock) so they conform well to your feet and stretch. Perfect for wearing under fins and work well in way colder water than listed. I've used them in 52 degree water no problem.

    cromwell, ct

    Fit: Feels true to size

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About This Brand


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.