Darn Tough Vermont Men's Merino Wool Boot Cushion Hiking Socks 64% Merino Wool, 33% Nylon, 3% Lycra. Spandex Made in Vermont, USA Cushioning along the bottom of the foot provides the perfect amount of support 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