*Darn Tough says*
Breathe easy. Bringing together smooth Merino Wool feel, next-to-skin fit, flex and fatigue-zapping arch support, and targeted venting — the ultra-lightweight RFL is the sock experience your hard-charging feet have been dying for, lap after lap.
- Performance Fit: No slipping, no bunching, and no blisters.
- Fine Gauge Knitting: Unprecedented durability and our unique “put it on, forget it’s on” feel.
- Fast Action Wicking: Pulls moisture away from skin. Fast drying.
- All Weather Performance: Cool in the summer, warm in the winter.
- Naturally Antimicrobial: Repels bacteria and odor.
- Guaranteed For Life: No strings. No conditions. For life.
- Merino Wool: The ultimate fiber for breathability and comfort in all conditions.
- True Seamless™: Undetectable seam fusion for an ultra smooth, invisible feel.
- Ultra-Light: Our lightest sock for race day or anyone looking for a lighter-than-air feel from a tougher than hell sock.
- Over the Calf Height: The name says it all. The ultimate height for keeping the outside—out.
- 55% Nylon 42% Merino Wool 3% Lycra® Spandex