Recommended needle size: 2-3mm. (1-3 US). High quality blend with 55% merino wool, 20% Schappe silk and 25% polyamid for a fine, smooth and even sock yarn. Excellent elasticity but keeps shape well. Silky soft, glossy and temperature balancing. Undyed silk fibres in the yarn produce the slight melange look. Machine wash at 40 degrees Centigrade. Tumble dry.