Breathable Heat Release Fabric: Our super soft sateen sheets wick away moisture to keep you cool and dry throughout the night for a more restful sleep. Great option for people with night sweats. 1 Inch Compression Fitted Sheet Band: Ensures a secure, slip-free, fit for all mattresses up to 20 inches deep. Omni Freeze Technology: Columbia’s Special fabric design enables heat release while feeling cooler to the touch with an Accelerated moisture wicking process that keeps you dry and provides next-to-skin comfort. Super Soft Cotton Sateen: For a sumptuously soft experience, we have expertly crafted these sheets with naturally breathable 300 thread count cotton in a sateen weave. Easy Care: Machine wash cold, gently cycle. Use only non-chlorine bleach when needed. Tumble dry low. Complete Sheet Set with Omni-Freeze technology to keep you cooler while you sleep. Available in White, Nocturnal, Fossil, Columbia Grey and Dark Mirage