Os1st Thin Air Performance Black Synthetic
$13.99
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Keep your feet cool and protected during any activity with the thinnest upper foot profile ever made.

  • Thin Skin construction with uniquely positioned lift-bars, maximizes air-flow achieving a cooling sensation to your feet.
  • Great for blister protection, sore and achy feet, hyper-sensitive skin, and overheated feet.
  • Maximum air flow thanks to the skin thin design that allows the release of heat and air to circulate feely.
  • Ultra lightweight materials created using 200n medical grade machinery.
  • Compression zones provide graduated non-binding comfort, help increase circulation, and provide relief from friction.
  • Seamless construction plus extra cushioning in the forefoot and heel.
  • Anatomical left and right design for a perfect fit.
  • Silver Ion technology provides antimicrobial odor control.
  • Before ordering, use the size chart for accurate fit.
  • Minimum order quantity for socks are 2 pair per order.

Os1st Thin Air Performance Black Synthetic

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$13.99
Free Priority Shipping

Thin Air Performance Black SoxThin Air Performance White Sox
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Keep your feet cool and protected during any activity with the thinnest upper foot profile ever made.

  • Thin Skin construction with uniquely positioned lift-bars, maximizes air-flow achieving a cooling sensation to your feet.
  • Great for blister protection, sore and achy feet, hyper-sensitive skin, and overheated feet.
  • Maximum air flow thanks to the skin thin design that allows the release of heat and air to circulate feely.
  • Ultra lightweight materials created using 200n medical grade machinery.
  • Compression zones provide graduated non-binding comfort, help increase circulation, and provide relief from friction.
  • Seamless construction plus extra cushioning in the forefoot and heel.
  • Anatomical left and right design for a perfect fit.
  • Silver Ion technology provides antimicrobial odor control.
  • Before ordering, use the size chart for accurate fit.
  • Minimum order quantity for socks are 2 pair per order.


OS1st



Health and Pain Relief Can Be Yours

  • Compression Zone Technology targets pain with varying levels of compression for relief and comfort before, during, and after your favorite activities.

  • OS1st expertly chooses premium materials, voluntarily participates in FDA registration, and ensures the compression is medical-grade to keep you active and pain-free.

  • Great for all kinds of activities such as Pickleball, Running, Cycling, Golfing, Hiking, Training, and Working.

  • Excellent for treating bunions, poor circulation, plantar fasciitis, diabetes, sensitive feet, knee pain, foot or ankle pain, injury recovery, and post-surgery needs.

  • Compression Zone Technology is a patented, evolutionary approach to performance sleeves and socks using top-of-the-line, precision knitting machines to seamlessly transition levels of compression from moderate to firm within a sleeve or sock to target specific conditions. By targeting compression to support affected areas, C-zone technology alleviates and prevents pain.


  • OS1st Products FAQ's

    What are your products made of? - OS1st uses top-quality, high-performance, moisture-wicking materials with a silver-ion anti-microbial treatment. Materials include Lycra Spandex, micro-nylon, nano-bamboo charcoal, and Merino Wool treated with silver-ion for moisture-wicking and anti-microbial. The gel grip on the compression bracing sleeves is hypo-allergenic silicon.

    How do I figure out my size? - All our products have a corresponding size chart that will help you choose the best size for you. We recommend using each individual size chart for each product. If you are between sizes, go with the bigger size.

    What’s different about our compression? - Unlike some compression products, all OS1st products are 100% medical grade compression. We apply our compression with our patented Compression Zone Technology which targets specific joints and muscles so you can be active and pain-free.

    How do you fight odor? - All OS1st products are treated with silver which is a natural way to fight odor.

    Do OS1st socks and braces wick moisture? - Yes, all OS1st products use a high-performance fabric that wicks moisture away from the skin for a dry experience.

    How do I wash my OS1st? - We recommend you hand wash your socks and braces in warm water with non-bleach soap. Always air dry!


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