Nevica Meribel Sock Fabric Composition : 42% Polyamide 23% wool 32% Acrylic 2% Polyester 1% Elastane. These socks are breathable, warm & comfortable, featuring a thick-knee wool design that is breathable and warm. The thermal socks are thick warm socks ideal for cold weather. They have an over the calf design that could protect the shin, making them perfect for skiing, snowboarding and other snow sports. With an elasticated heel design that ensures the socks fit your feet properly. Please note: The style you receive may vary from the image shown.