Most down blend comforters are just a blend of down and feather throughout the entire comforter. Our comforter features a proprietary construction which puts high-quality down in nearly two-thirds of the comforter (the part you sleep under) and fills the side panels (the part that hangs over the edge of your bed) with a blend of 80% feather and 20% down. The result is you sleeping underneath a high-quality white down comforter for the price of a down blend comforter. Our oversized comforter is constructed with a 233 thread count, 100% cotton down proof percale cover throughout. The white down filled section features ‘end to end’ sewn though box quilting to ensure that you’ll never have any cold spots due to the down shifting around. Twin: 68x88" Full/Queen: 90x96" King: 108x96"