The Thermarest NeoLoft Regular Wide transforms your backcountry sleep experience by delivering true car camping comfort in an ultralight backpacking package. This innovative sleeping pad features a revolutionary stretch knit surface that contours to your body like a second skin, while its generous 4.6-inch thickness and taper-free design create 20% more sleep surface than traditional pads. Side sleepers and nighttime movers will love how the integrated side rails cradle you in place throughout the night, preventing those dreaded roll-offs onto cold ground. With ContourCore Matrix construction and ThermaCapture reflective technology delivering a robust R-value of 4.7, this four-season sleeping pad keeps you warm from spring adventures to winter expeditions. At just 850g and packing down to barely larger than a water bottle, the NeoLoft proves you don't have to sacrifice comfort for packability on your next backcountry camping trip. Features 3D construction with taper-free design maximizes sleep surface area Stretch knit fabric top surface contours to body for pressure point relief ContourCore Matrix with dual-row triangular chambers for thermal efficiency ThermaCapture reflective technology reflects body heat for enhanced warmth Integrated side rails prevent roll-offs and reduce cold spots TwinLock dual valve system with pump sack for easy inflation and precise pressure control Four-season insulation performance suitable for year-round use Solution-dyed bottom fabric for enhanced durability and reduced environmental impact Specification Value Weight 850g (30 oz) Dimensions 26" x 73" Thickness 4.6" Packed Size 11.5" x 6.0" R-Value 4.7 Materials Top: 50D Polyester Knit | Bottom: 75D Polyester Solution Dyed