Invest in your downtime with the COS pure cashmere socks. Rib-knitted to keep in warmth, they're crafted from a sumptuous blend of recycled and Good Cashmere Standard yarn and have wide cuffs that ensure they won't slip down. Recycled cashmere is made from yarn-spinning waste, yarn overstock and post-consumer garments – creating new pieces without waste  Shell: 60% Recycled Cashmere, 40% GCS Cashmere. Excluding trims / Machine wash