No-Show Height: Heel tab prevents chafing; Mesh Top: Maximizes breathability and ventilation; Arch Support: Supportive band ensures a secure, stable fit; Total Foot Utilization: Supports full-foot alignment and engagement; 200 Needle Count: High needle count supports lightweight durability; RWS Certified Merino Wool: Promotes responsible animal welfare practices; Optimized for: Running & Walking; 66% Merino Wool (RWS Certified), 30% Nylon, 4% LYCRA, Spandex