The perfect year-round duvet with incredible temperature control.Breathable, moisture wicking and hypoallergenic; wool is the original super-fibre. Say goodbye to being too cold or hot in bed and hooray!to temperature regulation that really works.- 100% pure unbleached New Zealand wool- Unbleached 100% cotton case keeps things natural- Moisture wicking & breathable for bedtime comfort- A low profile, super-warm and soft duvetWool is a wonderful natural material and it's the ideal fill for peaceful slumbers all year long. Wool is naturally temperature regulating; unbelievably, it can even adapt to two different body temperatures in the same bed; so it's perfect where bed-sharers can't agree on the perfect temperature. This sustainably-filled duvet is an office favourite, and happy customers tell us time & time again how much better they now sleep with their wool duvet. And it's not just their imagination, wool is proven to increase the amount of your deep, restorative sleep stage-four sleep by 25%.