Therm-a-Rest Why focus on comfort? It's the simple belief that the better you rest, the better you play. It's a universal truth that is readily apparent in our daily lives, but one that is too often overlooked at play. From the essential, life-preserving warmth that we've provided to some of the world's most significant expeditions, to a simple seat that turns a rocky outcrop into the most amazing lunch stop you've ever dreamed of, the right dose of comfort makes everything better by allowing you to be at your best. Photo by: Sammy Spence Pump sack Pump sack included for easy inflation ThermaCapture An innovative, proprietary material that reflects radiant heat and minimizes heat loss without adding extra weight or bulk. Made in the USA Made in the USA of the finest US and global materials. Triangular Core Matrix Patented technology utilizes two stacked layers of triangular baffles to create a stable surface while minimizing heat loss. Read more Read more What is R-value? R-value is a measure of thermal resistance; the higher the R-value, the more thermally resistant the material or structure is. By selecting an appropriately insulated sleeping pad, you’ll stay warm throughout the night, and wake up prepared for the trail. Read more NeoAir XLite NeoAir UberLite NeoAir XTherm NeoAir Topo Luxe NeoAir Topo R-Value 4.2 2.3 6.9 3.7 2.3 Weight 12.5 oz 8.8 oz 15 oz 1 lbs 7 oz 1 lbs 5 oz Thickness 2.5 inches 2.5 inches 2.5 inches 4 inches 3 inches Packed Dimension 9 in x 4.1 in 6 in x 3.6 in 9 in x 4.0 in 24 cm x 14 cm 9.2 x 5.5 in Top Fabric Type 30D rip HT Nylon 15D Nylon 30D rip HT Nylon 50D polyester knit 50D polyester Pump Sack Included ✓ ✓ ✓ ✓ ✓ Repair Kit Included ✓ ✓ ✓ ✓ ✓ ThermaCapture ✓ ✓ Made in the USA ✓ ✓ ✓ ✓ ✓ Multiple Sizes ✓ ✓ ✓ ✓ ✓