Envelope Shaped Sleeping Bag with Duvet Conversion - the ultimate solution for a comfortable and versatile outdoor sleeping experience! With its unique envelope shape, this sleeping bag offers you more space to move around in your sleep, allowing you to stretch out and get a good night's rest. The shaped hood is specifically designed to help keep in heat, ensuring that you stay warm and cosy all night long. This sleeping bag also opens up to become a duvet, perfect for use during warmer seasons. With its 210T Polyester shell and 190T Polyester Pongee Cire lining, this sleeping bag is not only soft and comfortable but also durable and weather-resistant. The 400gsm hollowfibre filling provides ample insulation, making it suitable for temperatures as low as 5 ℃.