These Stripey Socks are made from super-warm ethically sourced Merino Wool. Super-soft & highly breathable. Loopback inner construction for warmth & comfort. Linked toe seam construction for a flat smooth finish. Arch support for better fit around the foot. Over the calf length to protect the area above the boot-line.90% merino wool. 8% Polyamide. 2% Elastane. Made in Portugal.