Cotton is a natural fiber that is commonly used for its breathability and softness. Using organic cotton instead of regular cotton has the potential to build soil health, as it is grown without the use of synthetic fertilizers. - 80% Organic Cotton,18% Recycled Polyamide, 2% Elastane - Machine wash cold. Tumble dry low. Do not iron. Do not dry clean. Use only non-chlorine bleach, when needed.