Tie-Dyed Rainbow Lines Bamboo Socks sz 9-11Walking on Rainbows Here is a pair of Tie Dyed Rainbow Lines Socks, each sock has 9 colors of the rainbow, the photos show both sides of each sock. These are Tie Dye Bamboo Socks size 9 11. They will keep your feet warm and colorful. They are 94% pure Bamboo rayon that has been developed in the same way other Rayon fiber is, but made from bamboo, and 6% Spandex for stretch. Possible pilling when put in the washing machine with rough textured fabrics.