Merino Wool Features&Function Deodorant/Quick-drying/Sweat absorption/Keep warm/Antibacterial Product Show: 1.Fabric：46% Acrylic + 20% Polyester + 16% Merino Wool +15% Cotton + 3% Spandex 3.The advanced technical fibers wick away sweat and moisture. 2.Premium Quality:Made with Australia extra fine merino wool and acrylic blending,nature fabrics breathable and comfortable for all seasons. Perfect Fit:The deep Y heel design to provide fit and support,retain shape even after repeated washings. 3.Durable:Reinforce heel and toe to avoid holes dramatically,it provide extra protection in most extremely environment. Details Show: 4.Extra Protection:Extra heavy cushioned sole to reduce feet pain,It helps you avoid blisters during outdoor activities. 5.Moisture Control:The high-technical fibers wick away the sweat,Odor control properties keep smell fresh,dry and breathable