Best for: For that no show look, these are sock drawer essentials. Great for casual wear with the support and breathability you need for sport... Our fabric: Supersoft bamboo viscose is absorbent and breathable. Blended with recycled polyamide and elastane to give durability and stretch... 81% Bamboo Viscose, 12% Recycled Polyamide, 3% Elastane, 4% Polyamide. Easy care - wash at 30° Colour: blue