Crafted in Thought's much-loved and incredibly soft bamboo, organic cotton and recycled polyester blend, these sustainable socks are breathable, naturally anti-bacterial and anti-fungal, so your feet (and the planet) stay happy and healthy.   One size- UK4-7 Fabric: 54% VISCOSE DERIVED FROM BAMBOO, 22% ORGANIC COTTON, 22% RECYCLED POLYESTER, 2% ELASTANE