Darn Tough Vermont Men's Warlock Crew Light Hiking Socks 61% Merino Wool/35% Nylon/4% Lycra Spandex Bold and funky with beguiling power and appeal; versatile to the core, these socks go way beyond the expectations of an everyday sock True Seamless construction provides a smooth performance fit; no slipping, no bunching, and no blisters Constructed from fine guage Merino wool which is naturally antimicrobial and antibacterial Still made in Vermont, USA Still unconditionally guaranteed for life