Darn Tough - RFL Thermolite Over-The-Calf Ultra-Light Men's Sock

Darn Tough's premier RFL next-to-skin fit and feel, knit from lightweight synthetic THERMOLITE®. Enhanced boot connection, breathability and Darn Tough durability? Check, check and check.

FEATURES

• Performance Fit: No slipping, no bunching, and no blisters.
• Fine Gauge Knitting: Unprecedented durability and Darn Tough's 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.
• THERMOLITE®: Insulated material specially engineered to provide warmth and comfort without weight.
• True Seamless™: Undetectable seam fusion for an ultra smooth, invisible feel.

SPECIFICATIONS

• Ultra-Light: Darn Tough's 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% Thermolite® Polyester, 3% Lycra® Spandex