The Mountain Equipment Aerostat Down 7.0 Mat Long impresses with its patented Exped construction and advanced HelixTM insulation technology, which guarantees one of the warmest sleeping pads on the market. The robust, welded material ensures durability and stability. Thanks to the DOWN CODEX® certified down filling, it keeps you reliably warm even in extreme temperatures down to -40°C. Perfect for your adventures in the cold!