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No-Show Running Sock - Ultralight

Size Guide

When you want to feel light and crush mile after mile, a minimalist sock is essential. The Ultralight No-Show Running Sock is built with ultra-soft merino wool and nylon reinforcement, so you can count on comfort and durability without sacrificing extra weight. Log as many miles as you want — when you’re moving fast in warm weather, these socks will deliver.

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Covered by Our Hassle-Free Lifetime Guarantee

CloudLine socks are backed by a hassle-free lifetime guarantee and made in America

Every sock we make is backed by a hassle-free lifetime guarantee. If there is ever an issue we’ll replace them. No hassles, conditions or strings attached.

Sock Features

  • These ultralight merino wool socks wick sweat away from your feet. Enjoy miles of blister-free breathability on the hottest of days.
  • Put on these socks — then forget about ‘em. The soft fit of our merino wool provides itch-free comfort for marathon-length pursuits.
  • Our merino wool blend naturally resists odors, meaning your socks won’t draw unwanted attention after several hours on the trail.
  • Our lightest socks don’t compromise on durability — the reinforced heel and toe stand up to the longest, toughest runs.
  • A big run can take you through all kinds of terrain and weather. Our temperature-regulating merino wool blend helps your feet adapt to it all.
  • You can wear these socks with confidence — we’ve already trail-tested them in the rugged outdoors.

Sock Specs and Care

  • American Made from Quality Materials: The perfect blend of 57% Ultra Soft Merino Wool, 37% Nylon, and 6% Spandex.
  • Ultralight weight: Our lightest, no-cushion sock — feel free and run far.
  • No-Show Profile: Perfect coverage when you want to go ultralight.
  • Easy Care: Always wash inside out to prevent pilling. Machine wash and dry warm, do not bleach. Can also be hand washed and line dried on the trail.
  • Guaranteed for Life: Backed by Our Hassle-Free Lifetime Guarantee, It really covers it all.