The Exped DownMats offer the best combination of warmth and comfort available. They are thick enough to protect you from stones and roots, and warm enough for winter camping. A built-in pump inflates the mat quickly at night and the compressibility of down allows them to roll up into a pack-friendly size when packing up the next day. Features: Intended Use: Lightest, warmest, and most compact mat for extreme four-season capabilities 2002/2003 European Outdoor Award, Europe's most prestigious outdoor award 700-fill, Nocar-treated goose down insulation Flat valve technology eliminates traditional valve malfunction issues (patent pending) Integrated pump technology speeds inflation time and eliminates oral inflation (patent pending) 7.0 cm/2.75 in. thickness; 9.0 cm/3.5 in. thickness Laminated, polyester fabric is UV and abrasion resistant, slip resistant, and air tight Baffled chambers eliminate cold spots Stuff sack and field repair kit included Specs: Color: Black/Charcoal 7 Short Pump: 23.5 oz, 2.8" x 20" x 47", 5.9 r value 7 Pump: 31.9 oz, 2.8" x 20" x 70", 5.9 r value 7 Pump Dlx: 39.5 oz, 2.8" x 26" x 76", 5.9 r value 9 Pump: 36.2 oz, 3.5" x 20" x 70", 8.0 r value 9 Pump Dlx: 44.1 oz, 3.5" x 26" x 76", 8.0 r value