The perfect year-round duvet with incredible temperature control. Breathable, moisture wicking & hypoallergenic; wool is the original super-fibre. Say goodbye to being too cold or hot in bed & 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 & soft duvet Wool is a wonderful natural material & 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, & happy customers tell us time & time again how much better they now sleep with their wool duvet. & it's not just their imagination, wool is proven to increase the amount of your deep, restorative sleep stage-four sleep by 25%.