Darn Tough RFL OTC Ultra-Light SM

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.

FEATURES
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.
SPECS
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