Womens/Ladies Argyle Pattern Thermal Socks With Brushed Inner (Pack Of 3) Acrylic, Polyamide, Ladies thermal socks with Argyle pattern and soft brushed inner. Three pairs per pack. Sizing: US 6-10,UK 4-8, EUR 37-41, (Please note: Euro sizing on packaging is incorrectly labeled). 80% Acrylic, 20% Polyamide. Machine washable.