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Darn Tough RFL OTC Sock

Brand: Darn Tough
Model: RFL Ultralight OTC
Shipping: Free over $50*
Availability: In Stock & Ships Today
Price: $23.95
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RFL stands for Real-F’in-Light. They are woven thin-to-win, perfect for those performance race fits. The socks are part of Darn Tough’s Vertical series, which is designed for up and downhill skiing. The RFLs offer a superior fit within a ski boot liner and are breathable for long uphill slogs. They are also antimicrobial so you can use them for many days without noticeable odor due to bacteria build-up. And of course, they feature Darn Tough’s legendary toughness and lifetime guarantee. I don’t think we need to mention they are ultralight, since the name explains that rather forcefully.

  • Snug ergonomic fit is designed for all day comfort.
  • Reinforced heel and toe areas support more mileage.
  • Good combination of warmth and breathability.
  • Antimicrobial properties help prevent odor build-up.
  • Lifetime guarantee, send ‘em back if they fray.
  • Made with Merino wool in Vermont, USA.

Update 2018/19: The beloved RFL sock received a few updates beyond the obvious cosmetic facelift of the new Black / Green colorway. The instep panel has been tightened for better heel retention and the forefoot has been loosened just a touch to reduce toe fatigue and allow a more relaxed toe splay. Bottom line is that we didn’t think they could get more comfortable, but they did.

Design
Materials 55% Nylon
42% Merino Wool
3% Lycra
12/26/2019
by Jeremy G (downright abused product)
 
There's no question about it... the RFL socks are the Real Effin Deal. I bought my first pair a few years ago and now have 3. They are all I tour in. My feet sweat a lot and these socks keep their shape when they get soaked, which helps reduce slipping and bunching, which in turn reduces hot spots and blisters. They are very thin and fit tightly... almost like a compression sock. I've tried a few other socks and keep coming back to these.
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