Based on the most popular Endurance training sock Darn Tough knits, the Spartan ¼ brings just a bit more grit and the spirit of competition. Flex zones deliver comfort when it’s time to Spartan Up, and Merino Wool – if you didn’t know – takes you all the way through.
- 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.
58% Nylon, 40% Merino Wool, 2% Lycra® Spandex