When you're looking for eco-friendly cotton mixed with something totally out of the ordinary, check out "Sea Song" from Fibra Natura. With its combination of 80% cotton & 20% seacell (kelp), "Sea Song" is a fantastic spring/summer choice for your knitting & crochet projects. Research indicates that the Seacell process facilitates an exchange of the vitamins & minerals contained in seaweed when worn next to the skin. No wonder the yarn developers at Fibra Natura call "Sea Song" the "Look Good, Feel Good" yarn.