Put your feet up and enjoy wearing these colourful socks made from sustainable bamboo. Shoe size: UK 3-7, Euro 36-41 Yarn: 75% bamboo viscose, 22% polyamide, 3% elastane Machine washable at 40 degrees Benefits of bamboo; supersoft comfortable and durable, breathable fabric that keeps feet fresh and dry, naturally anti-bacterial & hypo allergenic, 40% more moisture absorbent than cotton Eco-friendly & Fair Trade Why Bamboo and not cotton?Bamboo grows without the need for fertilisers or pesticides. Naturally requires less water (a third of the water required to grow cotton), farmers don’t need to irrigate their crop, saving water in a country where water shortages are a big problem.