Darn Tough Men's RFL Thermolite OTC Ultra Lightweight
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.
- Guaranteed For Life: No strings. No conditions. For life.
- Merino Wool is fast drying, breathable and odor resistant for all-day comfort.
- True Seamless™: Undetectable seam fusion for an ultra smooth, invisible feel.
- 8145-Darn Tough Men's RFL Thermolite OTC Ultra Lightweight
- Fall 2021