Cashmere goats live in very difficult conditions. They experience extreme hot during the day and cold temperatures at night. In the mountains the weather tends to be even more unpredictable. These animals have developed a perfect system of warming and cooling their bodies. Their two-layer fleece can protect them from cold temperatures and provide air flow and reflect the sunbeams during a hot weather. Did you know that the fibres loosen a bit when the temperature goes up and shrink when it goes down? Woollen products such as a cashmere wool duvet have similar properties. On a summer night, they will prove to be very comfortable and breathable. They will prevent overheating, but at the same time you will not get cold! You can buy a special cashmere wool duvet for winter. For example, it might be thicker and contain more fibres. This duvet will keep you warm and comfortable all night long. However, not everyone can use woollen products. Some people might be allergic to them. Some common symptoms include itchy rash, redness of the skin, sneezing or difficulties breathing. If you experience any of these symptoms, you should definitely avoid clothes or bedding sets made of wool.