Zenbivy Ultralight Mattress
Specifications
| Weight | R-Value | Dimensions | Thickness | Packed Size | Seasons | Material | MSRP |
|---|---|---|---|---|---|---|---|
| 1 lb 1 oz | 4.8 | 72 x 21 in | 3 in | 6.5 x 3 in | 3 | 20D polyester | $189.00 |
Comfort and Warmth
The Zenbivy Ultralight Mattress delivers exceptional comfort and warmth in an ultralight package. By combining diagonal, offset air-cell baffling with soft 20D embossed recycled polyester taffeta and two layers of floating Mylar insulation, the mattress creates a firm cradle that resists collapsing into pressure points, while reflecting body heat to achieve an impressive R‑value of 4.8. Weighing just 1 lb 1 oz and packing down to just 6.5″ × 3″, it’s designed to feel surprisingly cozy—almost like sleeping on a cushioned nest—without the usual noise or gap issues common in ultralight mats.
Weight and Packability
Zenbivy positions the Ultralight Mattress as the lightest and most packable option in their lineup while still delivering full-featured performance. It starts at just 1 lb 1 oz (482 g) and compresses down to a compact 6.5 × 3″ (for the 20 × 72″ tapered version), making it easy to stow in a backpack without the bulk of many ultralight pads. The inflatable design includes an efficient, fast-inflating valve with an included inflation sack that doubles as waterproof storage, allowing for quick setup and tear-down while preserving its tiny packed footprint.
Price
Priced at $190, the cost sits between basic ultralight air mattresses and luxury winter pads. Considering its weight, warmth, and high-end construction, it offers excellent value - added bonus with the waterproof pump sack and repair kit.
Quality and Materials
The pad is made with 20D recycled polyester taffeta, laminated rather than coated, which enhances durability while maintaining ultralight performance. The dual-layer mylar insulation quietly reflects heat inside offset baffles, avoiding the crinkling squeak common in insulated pads. The flush high-speed valve enables quick inflation/deflation and is user-serviceable .
Consumer Sentiment: Pros & Cons
Pros:
- Outstanding comfort and support with firm, responsive air cells
- Small pack size considering its loft and warmth
- Quiet during sleep—no disruptive crinkles
- Excellent warmth
Cons:
- Not the lightest option; heavier than some minimalist alternatives
- Higher price point than budget pads
How it Compares
Zenbivy Flex Air Mattress: The Flex Air offers a softer, stretch-knit top that enhances pressure-point relief and overall comfort—earning high praise from users—while the lighter Ultralight swaps that stretch fabric for embossed polyester, making it about 3 oz lighter but slightly firmer in feel .
Nemo Tensor All-Season: The Tensor All‑Season delivers a higher R‑value (5.4 vs. 4.8), quiet fabric, and a plush 3.5″ thickness ideal for colder temps, while the lighter Zenbivy pad offers less warmth but with more compact packability and a cradled, body-mapped comfort feel.
Sea to Summit Ether Light XR Insulated Air Sleeping Pad: The Ether Light XR is thicker and plusher for side sleepers, while the Zenbivy pad is lighter, more compact, and warmer by R-value, making it a better choice for minimalist three-season use.
Who is this For?
This pad is ideal for backpackers who want luxurious comfort in a minimal weight, including those on thru-hikes, ultralight treks, and multi-season expeditions. It suits side and combo sleepers who need a stable and quiet sleep surface and value warmth without bulk. Though not ideal for winter cold below 20 °F, it shines in spring, fall, and alpine conditions where weight and warmth must balance.
