Oxygen 30 M Evo Sleeping bagDescription A new three season sleeping bag which keeps you warm even in the coldest autumn nights. Microtherm Thermofill is a recycled fiber insulation that ensures warmth. Hood thermal collar and zipper thermal flap also prevent heat from escaping. The ultra thin lining material is made of recycled material. It transfers moisture away from the skin, feels very comfortable and makes the bag luxurious to use. Water repellent shell fabric is also made