Smooth, conforming, moisture-wicking and cooling, powered by Dri-Tec functional fibers and featuring Air-X airflow stretch sidewalls and high recovery core compression elastic on fitted sheet. Perfect for Power Bases! Demand Performance in Bed! Features Dri-Tec® Heat & Moisture Wicking Technology -- Use this to feel COOL & DRY. Feather-weight feel creates soft drape that won't cling to your body. Air-X® ventilated long sidewalls and hems create airflow for cooler sleep performance. Power Band core compression elastic around full circumference of fitted sheet ensures secure fit & grip on all mattresses. Provides motion transfer reduction -- You won't feel your partner turning over with our sheets as you do with stiff cotton fabric.