SKU: 8001-BLACK-M
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The Darn Tough RFL Sock brings together a 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.
Materials: 55% Nylon 42% Merino Wool 3% Lycra® Spandex
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