Luxurious White Down Comforter. 230TC Cambric Cotton Shell - double needle edges with german piping. Available in summer weight and all season weight. Corner loops provide an easy way to tie a duvet cover on and keep it in place! Filled with 650 Fill Power Hypo-Cycle white down. Our multi-step cleansing process delivers a hypoallergenic product that meets all state and U.S Department of Agriculture (USDA) regulations. The down used in this product has been certified to the RDS standard by Control Union.