These cosy, thick, recycled lambswool & silk blend socks are ideal for lounging at home but can also be worn in boots. Designed in London and made in Portugal from the finest Italian spun yarn, they can be machine-washed on a gentle wool cycle and left to dry naturally. The socks are sized as follows and come wrapped with a card band. MED: 6.5-9.5 US / 23-26 JPN /4-7 UK / 37-41 EU LARGE: 8.5-11.5 US / 26.5-29.5 JPN / 8-11 UK / 42-46 EU / 15% virgin silk, 30% recycled lambswool, 30% EcoVero viscose and 25% recycled polyamide