Grand Ofuton Double 1600The Grand Ofuton Double 1600 by Snow Peak breaks away from the preconceived notion that "camping = sleeping bag", achieving an unprecedented level of comfort. By sleeping directly on the mat, a new idea is to fully use the feathers of the mattress for the comforter, while the comforter itself folds on its sides for optimal warmth. Finished off with a storage case that doubles as an air pump. Comforter and sleeping mat set Extreme comfort and warmth