For comfort wherever your next adventure takes you, the Darn Tough Hiker Micro Crew Cushion Socks feature the ideal fabric blend: 61% Merino wool for warmth and odor resistance; 36% nylon for durability, breathability, and a quick drying time; and 3% Lycra for a slight stretch. The performance fit prevents slipping and bunching while cushioning along the bottom of the foot provides extra support. These will keep you warm in the winter and cool in the summer, and the naturally antimicrobial material means you can wear them an extra day or two when needed.