When weight matters and so does a restful night's sleep, count on the Ascend Roller Foam Sleeping Pad to deliver on both fronts! You'll barely notice it's along for the ride until you get to camp and experience the supporting comfort of its IXPE closed-cell foam. This foam pad uses a hexagon pattern that traps body heat, keeping you warm on those cold mountain nights. When it's time to hit the trail again, you'll appreciate how quickly and easily the Ascend Roller Foam Sleeping Pad rolls up again! R-value: 2.8. Lightweight design is ideal for backpacking IXPE closed-cell foam offers support in the backcountry Hexagon pattern traps body heat for warmth Rolls up quickly and easily R-value: 2.8