"Get the style and performance you want for for your active lifestyle with the Darn Tough Spaced Out Micro Crew Lightweight Hiking Socks for Men. These Darn Tough socks feature a lightweight, breathable 53% nylon/44% merino wool/3% Lycra spandex blend that wicks moisture and breathes well, delivering exceptional comfort on and off the trail. Targeted cushioning over the Achilles and ankles as well as underfoot lends greater comfort to your favorite pair of hikers. Plus, they're reinforced for longevity. True Seamless Toe technology provides a smooth feel and eliminates blister-causing friction. Performance fit resists slipping, bunching, and blisters. Height: 8.5"". Machine wash. Mfrs. limited lifetime warranty.Manufacturer style #: 5051. 53% nylon/44% merino wool/3% Lycra spandex Light, breathable, and moisture-wicking Targeted cushioning over the Achilles, ankles, and underfoot True Seamless Toe technology ensures a smooth feel Performance fit resists slipping, bunching, and blisters Reinforced for durability"