Down System Ofuton 300 Slim Mat PlusThe System Ofuton 300 Slim Mat Plus combines Japanese futon design with modern camping comfort. This integrated down comforter and mattress system features premium down insulation paired with six secure connection points that keep the comforter anchored throughout the night. Adjustable side flaps fold beneath the mat for enhanced thermal efficiency, whilst a drawstring closure at the top seals in warmth. Four additional securing points on the flaps