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Darn Tough RFL Thermolite OTC Ultra Lightweight Sock

Brand: Darn Tough
Model: RFL Thermolite OTC Ultra Lightweight
Shipping: Free over $50*
Availability: Fall - Notify Me
Price: $22.95

The RFL Thermolite OTC Sock is another great addition to the lightweight and ergonomically designed attire from Darn Tough. This sock maximizes all the best features of synthetic material by implementing hollow fibers that trap air to provide incredible insulating properties. If you're a "sweat monster" you will appreciate that the Thermolite polyester material is quick drying and magically pulls moisture away from your skin. High on warmth, low on weight is the motto here. It's a shame no one can see these socks when they are in your boots because they sport an ergonomic pattern along the arch and ridge of the foot that provides a little extra material for support and comfort. If "thin is in" then the RFL Thermolite OTC is definitely trending.

  • Ultralight sock that provides high warmth and moisture wicking.
  • Thermolite is a specially designed insulating polyester made to be warm and weigh practically nothing.
  • Darn Tough's secret sock design provides the ultimate in fit and comfort.
  • Pattern along the arch of the foot offers extra support.
  • Synthetic design is quick-drying; no need to ring out your socks.
Size US Men US Women EU Shoe UK Shoe
S 5½-7½ 7½-9½ 38-40 5-7
M 8-9½ 10-11½ 41-43 7½-9
L 10-12 11½ + 43-45 9½-11½
XL 12½-14½ 46-49½ 12-14
Design
Materials 55% Nylon
42% Thermolite® Polyester
3% Lycra

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