Salewa Puez RDS Down -1 Sleeping BagLightweight down fill The Puez RDS Down 1 has a temperature rating (T Comf Limit comfort limit) of 1C thanks to its 90 10 duck down (with a minimum down cluster content of 90%) and 750+ cuin fill power. Our duck down is certified to the Responsible Down Standard (RDS). This guarantees that it only comes from birds that are reared according to high animal welfare standards, at all times. Water repellent protection The rugged, water repellent 15 denier