Merino Wool Baby Duvet Wool & Cotton + Pillow 40 x 60 cm This wonderful duvet has been filled with 100% Wool & 100% Cotton. Two lovely sides ! Traditional bed covers filled with down insulate from external conditions and do not allow the air to go through. This disadvantage makes breathing through skin impossible. The organism gets overheated during sleep. Sleeping under a duvet or blanket made of wool is totally different. Wool enables breathing of the skin. Wool fibres have the ability to shrink and expand when the temperature changes. It causes natural flow of the air and regulation of temperature. Thanks to this you may sleep under our wool duvet in winter and in summer. Numerous advantages of wool are the reason why it is used in rehabilitation of various ailments such as: acute rheumatic disorder