Description Warmer and thicker than the Prolite the Prolite Plus boasts a 3.2 R-value. The diagonal-cut foam creates a lighter mattress without sacrificing warmth. Premium materials and foam provide legendary Therm-a-Rest comfort and support. The lightweight self-inflating pad features the high-performance WingLock valve, which has three-times the airflow rate of the classic valve thanks to a larger opening and one-way inflation. The pad includes a compact stuff sack. FEATURES • Diagonal-cut channels in the foam reduce bulk and retain heat. • Warmer than the Prolite. • Self-inflating. • New Winglock valve for easy inflation. SPECIFICATIONS Design:Self inflating Shape:Mummy R-Value: 3.2 (Wmns 3.9 R) Insulation :Polyurethane Shell Fabric:50D mini hex rip polyester Use:Hiking WMNS REGULAR LARGE Weight (g): 640 650 880 Thickness (cm): 3.8 3.8 3.8 Length (cm): 168 183 196 Width (cm): 51 51 64 Packed Size (cm): 28 x 17 28 x 17 33 x 18 R-VALUE R-value is a measure of thermal resistance; the higher the R-value, the more thermally resistant the material or structure is. As a guide an R Value around 3 is suitable for cold conditions (around 0 degrees), an R value of around 5 is suitable for the coldest Alpine conditions.
