Pantherella 's 'Packington' socks are rib-knitted from a fine-gauge merino wool-blend that will regulate heat, keeping your feet warm in the winter and cool in summer. Crafted in the label's family-run English mill, they are finished with hand-linked toe seams for comfort. - - Emerald merino wool-blend - 70% merino wool, 30% nylon - Machine wash - Designer colour: Tartan - Made in England