Choose from a bounty of outstanding brands when you shop for king-size comforter sets on Overstock.com. Light yet insulating, warm yet breathable, comforter sets make it easy to create a coordinated bedroom oasis. Comforter sets, also known as bed-in-a-bag, include two sheets, a comforter, pillowcases, and shams, as well as accent pillows or neck rolls. Comforter sets fit decorating schemes from totally fem with ruffles and 3-D floral patterns by Lush Decor to color block patterns by Chic Home. Change your room's personality on a whim when you select reversible sets from Nautica or VCNY. Add splashes of color with abstract floral patterns printed in colorful patchwork designs from Tracy Porter's carefree collection. Comforter sets are available in delightfully easy-to-care-for fabrics such as cotton, polyester, and super-soft microfiber, with a choice of luxurious down, light and insulating fiber fill, and allergy-resistant down alternatives.