
Big Agnes
Big Agnes Zoom UL Insulated
No citable owner-review average published for this one, so no stars.
Big Agnes's lightest insulated pad, and the one that trades the Rapide's cradling rails for four ounces. O-beam internal construction instead of offset I-beams, 3.25 inches of loft, R-value 4.3 and 14.1 ounces in the standard size. The fabric is post-consumer recycled nylon ripstop. It sits directly between an XLite and a Rapide on every axis, which makes it easy to overlook and hard to fault.
What this pad supports
R 4.3 puts it in the cold three-season band — frost, frozen ground, shoulder season. On the pairing table that supports a bag rated to roughly 20 °F comfort before the ground becomes the limiting factor.
Size run
One product, 3 sizes. The headline numbers on this page describe the 20 × 72 in.
| Size | Weight | Approx. price | Length | Width |
|---|---|---|---|---|
| 20 × 72 in | 14.1 oz | ~$170 | 72 in | 20 in |
| 25 × 72 in | 1 lb 1 oz | ~$212 | 72 in | 25 in |
| 25 × 78 in | 1 lb 1.6 oz | ~$212 | 78 in | 25 in |
Specifications
Highlights
Features
- Pump sack included
- Repair kit included
- Wide option
- Recycled fabric
- Under 1 lb
What it does well
- 14.1 ounces with R-value 4.3 — within a rounding error of the XLite on both counts.
- 3.25 inches of loft, a quarter-inch more than the XLite.
- Post-consumer recycled nylon ripstop rather than virgin fabric.
- Single-port dual-function valve makes micro-adjusting firmness easy at 2 a.m.
What it costs you
- Loses the offset rails that make the Rapide SL worth buying, for four ounces.
- The wide sizes jump $42 to $212, which is a steep step.
- No published face-fabric denier.
- Only three sizes, and no short version.
Those two lists are drawn from Big Agnes’s published specifications and from reviews that measured them. They are not owner sentiment — anything owners said appears under its own heading below.
What owners say
Distilled from owner discussions and long-term published reviews, not from anything measured here.
The Zoom sits in the shadow of its own stablemate. Owners who have one tend to like it a great deal — one describes it as the most comfortable pad they have slept on — but the pad that comes up more often in Big Agnes discussion is the heavier, cradling Rapide.
One owner observation is worth more than the rest, because it is a direct comparison: someone owning both this and the market-leading ultralight pad in comparable sizes reports the Zoom sleeping slightly colder. That is a small difference and consistent with the published figures, but worth knowing if you are choosing between them on R-value alone.
Beyond that the record is thin, and there is no dressing that up. It is a good pad that not many people are talking about.
What owners like
- One owner who has slept on a lot of pads calls it the most comfortable they have ever used, which is high praise for a pad this light.
- Owners comparing it directly with the obvious competitor describe it as similarly specified and a genuine alternative.
- It shows up paired with roomy side-sleeper bags, which suggests the width works for people who move around.
- Lighter than the rest of the Big Agnes insulated line while keeping the same 3.25 inches of loft, which owners who care about pack weight point out.
Common complaints
- Owners who have both it and the market-leading pad in comparable sizes report the Zoom sleeps a little colder.
- Under-discussed relative to its specification, so there is not much of a reliability picture.
- The price step to the wide sizes is steep enough that owners mention it.
Questions owners ask
How does it compare with the market-leading ultralight pad?
Is it comfortable enough for a side sleeper?
Why is it less talked about than the Rapide?
Big Agnes Zoom UL Insulated, head to head
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The Trail ProLite with another inch of foam and a soft stretch-knit face, which turns it from a serviceable pad into a comfortable one. Three inches and R-value 4.4 put it level with an XLite on both counts, at half the price and twice the weight — a trade that makes complete sense for weekend trips and none at all for a thru-hike. The knit top is the part people remark on: it does not feel cold or slippery against a bag, and it does not crinkle.
Best for: Weekend backpacking and basecamps where two extra pounds don't decide anything
Full spec sheet