4 pairs of cotton linen socks Linen feels fresh and cool Fast moisture exchange Very hard -wearing Comfortable covenant Hand -made foot tip, no seam 50% cotton and 50% linen, that means 100% nature. Ideal for the warm season, perfect fit and no sweat feet. All health socks have a soft, hand -handed approach, therefore no pressure points. Washable at 60 degrees Composition: 50% cotton 50% linen Size table socks Europe UK US 35 - 38 3.5 - 5 4 - 5.5 39 - 42 5.5 - 8 6 - 8.5 43 - 46 8.5 - 11 9 - 11.5 47 - 50 11.5 - 13 12 - 13.5 50 - 52 13-15 13.5 - 15.5 52 - 54 15 - 16 15.5 - 16.5.