Shop our collection of sleep. awesomeness sheet sets and linens & duvet cover. from the artisan Italian Collection of sheets that are crafted in the mountains of Northern Italy or the 100% authentic Egyptian cotton sheets to sheet linens made from Microfiber, very fine fibers which are woven into a thin, light fabric. Microfiber is a light fabric made with a breathable weave to improve air flow, plus hypoallergenic and resistant to dust mites. Featured as well are Portuguese Woven™ flannel sheets and Sheet sets that are eco-friendly. made from Tencel, a moisture-wicking fabric.