The advanced moisture wicking technology in the Dri-Tec Performance White 4 Pc King/California King Bed Sheet Set helps you sleep drier, cooler, and more comfortably throughout the night. The soft, conforming material moves with you throughout the night, and provides a no-cling, no-pull stretch. CFM Certified for maximum air flow, allowing your body to achieve optimal temperature regulation. This set includes 1 flat sheet, 1 fitted sheet, and 2 king/California king pillowcases.