Customers say these zippered pillowcases are exceptionally soft and feel cool to the touch, making them ideal for hot sleepers. Many reviews mention the zipper closure as a standout feature that prevents pillows from sliding out, solving a common problem with traditional pillowcases. Users consistently report that the fabric maintains its cooling properties throughout the night and helps improve sleep quality. The material is described as smooth, silky, and comfortable against the skin. Common feedback includes praise for the fit, with many noting they accommodate both standard and oversized pillows well. Reviews frequently address the durability and quality construction, with zippers that work smoothly and don't cause discomfort. While most customers love the cooling effect and softness, some mention the fabric wrinkles easily and can stain. A few users note the zipper occasionally pokes them during sleep. Overall, customers appreciate the functionality, comfort, and value, with many purchasing additional sets in different colors.