Perfect for everything from quick after-work hikes to all-day mountain adventures, the Hike Medium Crew Lava socks feature a technical blend of merino wool, nylon and Lycra, and offer premium cushioning and durable comfort for any trail outing. Designed with an anatomical design for a contoured fit, these breathable, odor-resistant socks feature a fully cushioned design for on-trail comfort, strategic support zones in the Achilles, ankle and instep, as well as a seamless toe closure to reduce bulk and prevent blisters.