Product information, filling: 250 g / m² hollow fiber, ideal temperature: from 3-8 ° C, including a rounded headboard and carrying bag, conical sleeping space for cool nights, with a special anti-cold school flap and semicircular hood, the 2-way-free lock has an insulating wind protection, material outside: 210 t polyester rib stop, material inside: 190 t polyester pongee