Darn Tough Socks Men's Run 1/4 Ultra Lightweight Sock

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.
No Cushion:  Materials: 53% Nylon 40% Merino Wool 7% Lycra Spandex