"Get the comfort you want for hiking with the Darn Tough Number 2 Micro Crew Midweight Hiking Socks for Men. These Darn Tough socks feature a lightweight, breathable 63% merino wool/35% nylon/2% Lycra spandex construction won't slip or bunch, keeping your feet from getting hot spots. These Darn Tough socks have True Seamless Toe technology and reinforced footbeds pair with achilles cushioning to deliver exceptional comfort on the trail. The use of merino wool allows these socks to naturally wick moisture and navigate changing conditions with ease. Height: 8.5"". Mfrs. lifetime warranty. Machine wash.Manufacturer style #: 1974. 63% merino wool/35% nylon/2% Lycra spandex Light, breathable, and moisture-wicking Targeted cushioning over the Achilles, ankles, and underfoot Performance fit resists slipping, bunching, and blisters Reinforced footbeds for durability True Seamless Toe technology"