Nemo Mambo Duo Comforter (20F / -7C) Brings the most home-like sleepsystem to campers and outdoor enthusiasts via a backless synthetic comforter system that sleeps two for the weight and pack size of a single sleeping bag The backless design saves weight and improves packability in the backcountry The perfect backcountry setup for cuddling: Mambo Duo, 2 x Cosmo Air 25L, Slipcover 2P 25L, 2 x Fillo Luxury pillows Fill Type: Synthetic. Fill Wt 1lb 4 oz / 570 g. Min Wt: 5 lbs 10 oz / 2.6 kg. Fits up to: 6'4" / 193 cm. Shoulder Girth: 73 in. Hip Girth; 73 in. Knee Girth: 73 in. Pad Sleeve Dim: wo 25 x 76 in / 64 x 193 cm. Packed Size: 22 x 10 in dia / 56 x 25 cm dia. Compressed Volume: 28.8 L. Shell Fabric 40D Nylon Ripstop + DWR . Footbox Fabric 40D Nylon Ripstop Ripstop with DWR. Lining Fabric 40D Nylon Ripstop Micro-Ripstop with DWR