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Darn Tough RFL Over-The-Calf Ultra-Lightweight

Darn Tough RFL Over-The-Calf Ultra-Lightweight
  • Color: Eclipse
  • Color: Black
Please select options


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 is fast-drying, breathable and odor-resistant for all-day comfort.
- True Seamless: Undetectable seam fusion for an ultra-smooth, invisible feel.

- Over the calf: the name says it all. The ultimate height for keeping the outside, out.
- 55% Nylon 42% Merino Wool 3% Lycra Spandex
- Our ultra-lightweight ski and snowboard socks guarantee the best boot fit for comfort and performance.

Cushioning Details
- Streamlined, low-profile ski and snowboard socks with no cushion provide the ultimate performance boot fit.

Part Numbers

Option UPC MPN Store SKU
Black / Small 642249173116 8001-N-1001-03 DAR45102034L
Black / Medium 642249173109 8001-N-1001-04 DAR46292544M
Black / Large 642249173093 8001-N-1001-05 DAR4583363E
Black / X-Large 642249173123 8001-N-1001-06 DAR46296730E
Eclipse / Medium 642249173147 8001-N-9018-04
Eclipse / Large 642249173130 8001-N-9018-05
Eclipse / X-Large 642249173154 8001-N-9018-06