Mega in size, comfort, and warmth - the MegaMat Duo is the ultimate mat for base camp, the camper van, or as a guest bed. The Duo version is perfect for adventures for two or as an extra-large, luxurious single mat. The unique 3D construction ensures the largest possible sleeping surface. The core of the MegaMat Duo is made of 10 cm thick foam with just the right density for perfect support and insulation. Horizontal air channels in the foam help to reduce weight and packing volume without affecting comfort. The MegaMat Duo has 30% larger foam channels for an even smaller pack size. The surface is made of a soft, recycled tricot polyester for a pleasant feel against the skin. The MegaMat Duo is self-inflating. The desired firmness can be easily achieved with the Top Up Pump supplied. Deflation is simplified by two large flat deflation valves. The practical carrying handles on the sides make the mat easy to carry. Also included is our practical Sidewinder Bag for quick and easy packing and a repair kit. The world&';s most comfortable self-inflating camping mat for two vertical side walls ensure the largest possible sleeping surface air channels in the foam reduce weight and packing volume two practical carrying handles on the sides Specifications R-Value (ASTM) 8.1 Season All-Season with enhanced Thermal Comfort Person Capacity 1 - 2 People Pumpsystem Self inflating / Top-Up Pump Shape Rectangular Delivery contents Sleeping Mat Sidewinder Bag Repair Kit Top-Up Pump Material Size DUO M DUO LW+ DUO Queen Rectangular (cm) 183 x 104 cm 197 x 132 cm 203 x 152 cm Rectangular (in) 72 x 41 in 77.6 x 52 in 80 x 59.8 in Material Material top side recycled 50 D tricot polyester TPU polyether film laminate honeycomb embossed Oeko-TexA(R) 100 certified Material bottom side recycled 75 D polyester TPU polyether film laminate bluesignA(R) approved fabric Insulation 16 kg/m^3 opencell PU foam Oeko-TexA(R) 100 certified