For lightweight durability, easy packing, and simple comfort, it's tough to beat the Therm-a-Rest Ridgerest Classic Sleeping Pad. Made with ultra-durable crosslink polyethylene foam with heat-trapping ridges, the Ridgerest has been around forever and hasn't changed much, because it hasn't needed to. If you're looking for simplicity and cost-effectiveness for the trail, you just can't beat it.
Tech SpecsMaterial: cross-linked polyethylene
Style: foam pad
Dimensions: Regular 20 x 72 x 0.625 in, Large 25 x 77 x 0.625 in
Packed Size: Regular 20 x 8 in, Large 25 x 8.5 in
Claimed Weight: Regular 14 oz, Large 1 lb 3 oz