| Serta Supersoft Washed Cooling Sheet Set, Includes Bedding Sheets & Pillowcases Microfiber/Polyester in Gray | Twin XL | Wayfair 15414900535 Super soft and ultra-comfy, the supersoft-washed cooling sheet set is a basic elemental component of any bed. The fabric is pre-washed in order to make it softer, prevent shrinking or shape-loss, and gives it a relaxed, stylish, vintage look. Color:... more | | $39.49 $30.21 go to store |