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45NRTH Bluebird Midweight Knee High Wool Sock

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Midweight sock won’t add bulk under the Naughtvind bibs yet are warm enough to keep the cold at bay, our Knee High Sock is made with a Merino wool blend to wick moisture away from your feet keeping them warm and dry.

  • Measures 11" tall
  • Wear them on their own on cold days, or layer them with the Lightweight Sock and add a vapor barrier for deep cold
  • Knee high coverage eliminates gaps in layers
  • Bluebird graphic

      Apparel Sizing Guide

      Remove excess layers of clothing and measure comfortably snug to the body, using a cloth measuring tape. If you don’t have one, you can use a string and measure it against a yardstick or standard measuring tape. For best results have a friend help.

      CHEST: Measure around the fullest part of your chest, under the armpits.

      WAIST: Measure around the smallest part of your waist, near the belly button.

      HIP: Measure around the fullest part of your lower body, typically around your butt or upper thighs.

      INSEAM: Measure inside your leg starting at the crotch, down your leg to the floor.

      SLEEVE: Start at the base of your neck, measure out to the back of your shoulder and down your arm to your wrist.


      45NRTH Sizing Guide