20D Ripstop Nylon Outer Shell with 380T Polyester Pongee Lining and SEE Polyester filling makes it an ultralightweight backpacking sleeping bag thats soft breathable windproof A lighter alternative to standard mummy bags this sleeping quilt offers quick entry and exit and with a convertible footbox which helps keep the heat in This backpacking quilt weighs only 35oz 1000g folds up small about the size of a gallon jug easy to put into your backpack and travel around and spreads out 65ft by 28ft offering plenty of sleeping space Hollowed back design for use with sleep mats for a perfect balance between down distribution and heat retention a fantastic option for people who feel claustrophobic in sleeping bag Stay toasty warm due to the baffled construction which provides a temperature rating down to 41F 5C can also be uses with a sleeping bag or underquilt then you get a toasty winter sleeping system Dimensions 200cm 85cm 66ft 28ft