Down Comforter Measurements. Oversized styles are also available. Down comforters vary in price based on their fill power thread count and size. If you plan to purchase a down comforter and duvet cover you may want to opt for an oversized comforter or size up.
Oversized styles are also available. A king size mattress measures 76 inches wide and 80 inches long so any comforter quilt or duvet purchased to top the bed should be at least a few inches wider and longer.
This expansion may result in less coverage on the sides and foot of the mattress.
Since it is the duvet cover that will determine how the duvet will fit your bed this is an important point to keep in mind. Most people end up buying a shorter comforter for their bed while others end up having comforters that were too long for their bed. Prices for smaller sized comforters are typically lower. The luxury of a supple down comforter.
