Nap Pak Arctic R11 Inflating Sleeping Mat – All Year 4
Nap Pak Arctic R11 Inflating Sleeping Mat – All Year 4 Season Winter Camping Mat – R Value 11 Insulated Alpine Sleeping Pad – 10cm Thick, Lightweight 900g, Compact – Cold Weather Backpacking Use. Will it keep me warm on snow or in winter conditions? Based on its ASTM-tested R-Value and three-layer aluminium film insulation, the mat is designed to reduce heat loss from cold ground, including snow and winter conditions. As with all mats, perceived warmth depends on the complete sleep system. What does “R-Value 11” mean, and why should I care? The R-Value measures how well a mat...
