50% off the RRP's! Coolmax technology, when applied to bedding, is a revelation, especially if you habitually get uncomfortably hot at night. Amazing high-tech fabric designed to wick moisture away from the skin with specially engineered polyester fibres (Significantly improve on 'breathability' of natural cotton) Moisture produced by our sleeping bodies is almost instantly transported away, held by special particles in fabric then released later to cool you down. These duvets have a Coolmax case and Comforel filling, Comforel has a down like feel but retains 'loft' night after night.