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      Mens Premium Merino

       Merino wool is peerless when it comes to performance: it is anti-bacterial, non-itchy, warm when it is cold and cooling when it is warm, recyclable and sustainable. Runderwear™ Men’s Merino Briefs, Boxer Shorts and Socks are created using high-grade merino wool making them the most premium performance underwear available.

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      Men's Merino Running Boxers

      41 reviews
      $22.50 $45.00
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      20% Off Grey
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      ADD ANY 3 ITEMS TO YOUR BAG SAVE 15%*

      ADD ANY 3 ITEMS TO YOUR BAG SAVE 15%*

      ADD ANY 3 ITEMS TO YOUR BAG SAVE 15%*

      ADD ANY 3 ITEMS TO YOUR BAG SAVE 15%*

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      ADD ANY 3 ITEMS TO YOUR BAG SAVE 15%*

      ADD ANY 3 ITEMS TO YOUR BAG SAVE 15%*

      ADD ANY 3 ITEMS TO YOUR BAG SAVE 15%*

      ADD ANY 3 ITEMS TO YOUR BAG SAVE 15%*

      Men's Merino Running Briefs

      71 reviews
      $32.00 $40.00
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      ADD ANY 3 ITEMS TO YOUR BAG SAVE 15%*

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      Men's Merino Running Socks - Mid

      64 reviews
      $25.00
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      Why runderwear?

       

      Friction-free guarantee

      100% chafe-free and 100% blister-free - that's just what we do

       

      Super-soft and seamless

      No tags or side seams means no irritation - choose smooooth

       

      8500+ 5 star reviews

      Thousands have discovered their hidden advantage and love us - discover yours

       

      Multi-award winning

      We're the #1 running underwear & socks brand in the UK - 3 years running!

      A true game changer - Runners World
      “A true game changer”
      TMS - As heard on The Morning Shakeout Podcast
      As heard on TMS Podcast
      Outside Magazine
      As seen in Outside Magazine
      Breathable, Wickable and Chafe-Free - Trail Running Magazine
      “Breathable, Wickable and Chafe-Free”
      A Big Busted Dream - Self Magazine
      “A Big-Busted Dream”

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      Chafe-Free Guaranteed

      Runderwear’s whole ethos is about creating chafe-free performance clothing.

      We’re so confident that your Runderwear will provide the solution to your chafing, that we offer a 28 day, no fuss guarantee. If you wear our products and they cause you to chafe, we will happily refund you, it’s as simple as that.

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