The Bonnie Doon ? Bio Classic Cable Knee High is a knee high with a trendy cable structure and a composition with organic cotton. The knee socks are available in many colors and the structure is easy to combine, because the color is also solid. The knee socks are made of Organic cotton and this is also indicated by the Oeko-Tex label. Choose to wear the knee socks with a trendy outfit and wear them to school every day.