Temperature Regulating Fabric: The lyocell fabric wicks moisture and regulates temperature to keep you cool in summer and warm in winter. Hypoallergenic Material: The eucalyptus tree-based lyocell fabric is hypoallergenic and helps prevent allergies. Moisture Wicking: The fabric quickly wicks moisture away from your skin to keep you dry and comfortable. Silky Soft Feel: The lyocell fabric has a silky soft feel that is gentle on your skin. Great For Hot Sleepers: The lightweight, breathable fabric helps cool you down at night for a restful sleep.