Description 44% nylon/28% COOLMAXÂ polyester/23% merino wool/5% elastane Temperature-regulating wool blend combines Merino with COOLMAX eco-made yarns Heel, arch and toe cushioning Arch support Mesh instep for breathability Enhanced heel pocket for secure fit Abrasion-resistant yarns in heel, arch and toe Fine-gauge knit for a thinner, performance fit and feel Imported