Enjoy a sound sleep with Duvetta's 100% natural cotton sleeping products Sleep peacefully and rested with the Duvetta’s hypoallergenic cotton comforter. This Premium Turkish Cotton duvet has a smooth cotton cover and regulates to your body’s temperature for maximum comfort. Natural cotton structure is a protective material against mold and mildew, and it cannot stay moist for a long time due to its moisture-wicking feature. Those with allergies can sleep better and more comfortably under it. Reasons to Use 100% Natural cotton. Natural cotton is nature friendly and it is the most natural and healthiest material you can have. Natural cotton is comfortable unlike synthetic fibers that can lose their flexibility, 100% Natural cotton, which is divided into very fine fibers, creates a flexible, soft and light filling for pillows, duvets, beds and even cushions. Pure cotton is a natural heat regulator. It is both breathable and insulating heat, balancing the heat according to body temperature. This applies to 100% natural cotton, not cheaper or fiber-cotton blend products.