Signature Bamboo Sateen Sheets are 100% CleanBamboo Lyocell bed sheets engineered to feel smooth and help regulate temperature for hot sleepers and sensitive skin. They have a breathable sateen weave and moisture-managing lyocell. Made from CleanBamboo® lyocell, produced using a patented process in a closed-loop system that recovers 98% of the water and organic solvent for reuse.