The hilo 300 sleeping bag from regatta is a 3 4 season mummy shaped sleeping bag that has a double layer off set construction and a soft touch lining to keep you warm when you are camping the hilo 300 also features an insulated zip baffle and shoulder baffle to minimise heat loss and retain body heat while this sleeping bag also has an internal pocket to keep valuables close and a compression stuff sack to make transportation and storage nice and easy