Best Overall
Therm-a-Rest Z Lite Sol
Key details
- Weight
- 14 oz
- R-Value
- 2.6
- Inflation
- None (foam)
- Thickness
- 0.75 in
Closed-cell foam with a reflective coating gives the Z Lite Sol a warmth-to-weight ratio that most inflatables can't match at this weight class. At 14 oz and 0.75 inches thick, it packs enough insulation for shoulder-season nights without adding bulk to a backpack. The accordion fold makes it easy to strap to the outside of a pack, and the foam holds up to years of repeated use on gravel, pine needles, and bare rock.
This pad works well for three-season backpackers who sleep on their back or stomach and want a no-maintenance sleep system. Side sleepers will find the thin foam firm, especially on uneven ground, and the mylar coating can peel over time when the pad is frequently folded or exposed to abrasion. For hammock users, it doubles as underquilt insulation, and as a sit pad or extra layer under an inflatable, it adds warmth without adding weight to a separate item.
Pros
- Warmth per ounce is competitive with insulated inflatables at a fraction of the weight.
- Light enough to strap to the outside of a pack without straining gear capacity.
- Durable foam construction
Cons
- Mylar reflective coating can peel or wear off with repeated folding and abrasion.
- Thin foam feels firm for side sleepers or on rocky ground
If you want a foam pad that balances weight, warmth, and field reliability, this is the one to grab for three-season trips.