Fabric Construction: Woven with a high 300 to 500-thread count in a sateen weave, which provides their signature smooth and silky feel.Special Infusion: The material is silver-infused, using silver ion technology to inhibit up to 99.7% of bacterial growth, which helps keep the cases cleaner for longer.Cooling Technology: They feature a proprietary COOLIT fabric treatment designed to enhance temperature regulation and provide a cool-to-the-touch