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      Smartwool's best-selling and warmest base layer just got better. It now uses a chafe-free seam construction that's perfect for a pack will and keep you going farther. And farther. And farther.

      Merino 250 Baselayer Bottom - Mens
      NTS Light 195 Boxer Brief - Mens
      Merino 250 Baselayer 1/4 Zip - Mens
      PhD Run Light Elite Micro Socks - Unisex

      Free shipping when you spend $49 or more!

      FREE SHIPPING ON YOUR ENTIRE ORDER!

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