Your sheets just got so much cooler. This is the best sheet for hot sleepers. The Night Chill Cooling Bed Sheet is a proprietary fabric that is up to 80% cooler than other fabrics due to its inherent cooling effect in the fiber without any harsh chemicals. It retains its cooling properties without washing out or diminishing, & offers relief from hot flashes & night sweats, ensuring better sleep by avoiding disturbances to vital Rem cycles that s crucial for restorative rest - your sleep just got so much cooler.Pair with Chill Cooling Nylon Flat Sheet or Chill Cooling Nylon Pillowcase for the ultimate bedding & sleep experience.