REI Co-op  REPREVE Active Low Socks

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When everything else is sweaty, keep your feet comfortable in these REI Co-op REPREVE Active low socks. Their breathable, wicking recycled nylon fabric blend is made for running.


  • Mesh on the top of the foot provides breathability
  • Light padding on the heels and toes provides support without too much added material
  • Moisture-wicking and breathable fabric helps manage moisture through long runs
  • Back tabs help prevent slippage
  • REPREVE® nylon is made from recycled preconsumer fiber waste
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  • REI is Climate Neutral Certified; as we work to actively reduce our footprint, we measure annual carbon emissions and purchase an equivalent amount of verified carbon credits
  • Made in USA with imported and domestic yarns

Made in USA.

View all REI Co-op Men's Running Socks

Technical Specs

Item #225443
Best Use



52% REPREVE recycled nylon/44% nylon/4% LYCRA spandex

Sock Height


Sock Cushioning

Ultralight Cushioning

Moisture Wicking





Contains recycled materials

From a Climate Neutral Certified brand

Size Chart

U.S. Men's5.5-8.59-1212.5-145.5-8.59-14
U.S. Women's4-6.57-9.510-12.54-9.510-12.5

Sizing Notes

For socks, please use shoe size.

9 reviews with an average rating of 4.0 out of 5 stars

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