The duvet insert is filled with highly fluffy feather down (75% Feather and 25% Down) which is perfect for all seasons using duvet, no matter hot or cool weather.

Classic duvets are stuffed with goose down, the fuzzy under-plumage found beneath the feathers, which give the comforters their comfortable, fluffy shape, and provide remarkably efficient insulation.

The duvet is filled with luxury goose feather and down fillings, providing warmth but breathability at the same time ...

Then, Dempsey asked about the couple’s bedding and learned they had recently replaced their synthetic covers with a feather duvet and feather pillows. Image via Getty Images. Also known as “bird ...

The 8 best comforters for every type of sleeper - I’ve tested dozens of comforters to find the best of the bunch ...

Light in weight yet luxuriously soft and warm, down is the best filling material for all-season bedding and the Umi White Goose Feather and Down Duvet, doesn't disappoint with a 10.5 tog for all ...

Or, according to Pryde, "This is the number of cubic inches one ounce of down will fill in an international down and feather testing analysis tube." In the Sears examples, the duvets' fill power ...

In terms of heat management, wool was able to maintain the optimum body temperature for sleep of 35.1C (95F) for the longest, while feather/down and polyester were unable to maintain the ...