Made with luxuriously soft merino wool and silk blend, this sock combines all-day performance features and comfort. The natural features of merino wool and silk keep your feet dry and comfortable all day long. Women's fit Breathable Mesh Merino Silk Arch Support Shock Absorption Reinforced Heel/Toe Comfort Toe Seam Moisture Wicking Memory Knit 40% Merino wool, 39% Nylon, 17% Silk, 3% spandex, 2% polyester Style #5596