Instant Cooling: Experience sleeping on the cold side of the pillow with Rest’s advanced cooling pillowcases; Wake up refreshed and rejuvenated with cutting-edge performance fabric that offers instant and long-lasting cooling sensation; Evercool pillowcases are ideal for all seasons and hot sleepers with night sweats, hot flashes Luxuriously Soft and Smooth: Science-backed fabric innovation that’s softer, smoother and stronger than silk; Glides effortlessly against your skin for frictionless sleep and prevent crush wrinkles caused by side sleeping; Elevate your sleep with unbelievable comfort