Merino wool socks for newborns. One size 0-6 months Merino wool yarn is a naturally perfect fiber with number of fine properties, which are provided in a completely natural and sustainable way. -the fabric is fully breathable and temperature regulating. -helps prevent overheating -antibacterial, and odor resistant -soft and delicate - does not itch -naturally durable and sustainable material Care instruction. Merino wool products do not require frequent washing. It is advisable to gently wash by hand and rinse in lukewarm water ( or use wool program on a washing machine ) at a constant temperature up to max. 30 degrees. Use high-quality wool detergents. Don't wring out this wool product after washing. Give shape immediately after washing. Dry flat and avoid sources of intense heat such as a radiator or direct sunlight.