With a thin, lightweight construction that breathes efficiently and dries in a flash, the Hike Liner Crew is a ultralight yet durable sock perfect for routine hikes and lightweight backpacking trips. This sock features a technical blend of soft merino wool, durable nylon and stretchy LYCRA for the ultimate combination of performance. Support zones in the Achilles and instep add stability, a breathable zone over the forefoot controls moistures and reinforced wear areas improve strength and durability.