These bamboo sheets are softer than 1,000-thread-count cotton sheets, weaved for luxury softness and extreme durability. Cooler than other non-bamboo fabrics and carry thermal-regulating properties to help keep you cooler in the summer and warmer in the winter. Bamboo naturally has odor and allergy-resistant properties. Bamboo is an extremely renewable source. Materials used to make these sheets are harvested and manufactured with care to ensure environmental care.