Inov8 TrailFly Ultra Sock Low - Twin Pack

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Perfect for running ultra distances on uneven trails

Designed for running ultra-distances on uneven trails, the TRAILFLY ULTRA SOCK delivers comfort and protection in the areas you need it most.

Targeted cushioning underfoot provides protection on unpredictable terrain and a snug fit ensures the sock is so comfortable you’ll feel like you can run forever. The highly breathable fabric delivers natural temperature regulation and is constructed from a blend of yarns featuring over 66% recycled material and 16% natural Merino Wool. Vented panels around the midfoot provide extra comfort, while the moisture-wicking properties of the material ensure sweat is drawn away from the foot, keeping it dry.


  • High level of breathability thanks to vented panels on top and underfoot
  • Designed to give improved cushioning, comfort and protection
  • Perfect sock for long training runs and ultra-distance races


  • Each Pack Contains Two Pairs
  • Weight: 34 grams per pair
  • Material: 66% Recycled Polyamide, 16% Merino Wool, 16% Tencel™, 2% Lycra®️

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