Zpacks Duplex Tent Review
Brand: Zpacks · Category: tent · Price: $669 - $699
Buy the Zpacks Duplex if you're an ultralight backpacker or thru-hiker who lives and dies by grams, and you already carry trekking poles. Skip it if you're on a budget, need a freestanding tent for rocky campsites, or demand a completely condensation-free experience in all conditions.
Specs
| Doors | 2 |
|---|---|
| Poles | 2 trekking poles or optional 48 in tent poles |
| Weight | 18.5 oz - 20 oz |
| Rainfly | Single-wall shelter; no separate rainfly |
| Seasons | 3-season |
| Capacity | 2P |
| Floor Area | 28.1 sq ft |
| Packed Size | 5.6 L - 8.5 L |
| Peak Height | 48 in |
| Vestibules | 2 |
| Fabric Denier | DCF / Dyneema Composite Fabric (denier not specified) |
Strengths
- Extremely low weight for a true two-person shelter
- Large interior volume with 45 in width and 48 in peak height
- Two doors and two vestibules improve access and gear storage
- Dyneema Composite Fabric resists stretch and does not sag when wet
- Strong ventilation for a single-wall tent, with extensive mesh and storm-door control
- Packs very small compared with most two-person tents
- Trekking poles can be used instead of dedicated tent poles
Complaints
- Premium price compared with most backpacking tents
- Requires trekking poles or separate tent poles to pitch
- Single-wall design can still accumulate condensation in humid or cold conditions
- Setup depends on stakes and a fairly precise pitch
- Ultralight materials may feel fragile to some users despite strong real-world performance
- Not freestanding unless paired with an optional Flex kit
- Tight for two people using wide pads, despite the generous dimensions
Pitch And Setup
The Duplex requires two trekking poles set to 48 inches (or optional dedicated poles) and a minimum of six stakes for a taut pitch; eight stakes are even better for stability. This non-freestanding design means you can't just set it up anywhere, unlike a MSR Hubba Hubba, as it relies on being staked out securely to achieve its structure. While the initial setup might demand a bit more precision than some, experienced users find it quick, and the DCF material's resistance to stretching means it won't sag overnight once pitched correctly.
Space And Comfort
Despite its ultralight status, the Duplex offers a surprising 28.1 square feet of floor area, with a 45-inch width and a generous 48-inch peak height. This allows two standard sleeping pads to fit side-by-side without feeling overly claustrophobic, though two wide pads will be a snug fit. The two large doors and two vestibules (covered storage areas outside the main tent body) are crucial for comfort, allowing both occupants easy entry/exit and ample space to stash wet gear, preventing that sardine-can feeling common in some compact two-person tents.
Value And Tradeoffs
The Duplex comes with a premium price tag, a direct consequence of its cutting-edge DCF construction and ultralight design. You're paying for ounces saved and durability gained, not for budget-friendliness. The main tradeoff is its reliance on trekking poles and a non-freestanding pitch, meaning it's less versatile for rocky or soft ground where stakes don't hold well, unlike the freestanding Nemo Hornet. While ultralight, some may find the tight fit for two wide pads a minor compromise, despite the generous dimensions.
Weight And Packed Size
At 18.5 to 20 ounces, the Duplex is shockingly light for a true two-person shelter, making it a dream for thru-hikers and ultralight enthusiasts. To put that in perspective, many solo tents weigh more than this. It also packs down incredibly small, between 5.6 to 8.5 liters, which means it won't hog precious space in your 40-liter pack like bulkier options such as the Big Agnes Copper Spur. This minimal weight and volume come from its Dyneema Composite Fabric (DCF) construction, which is a key differentiator from heavier silnylon or polyester tents.
Durability And Materials
The tent uses Dyneema Composite Fabric (DCF), which is renowned for its incredible strength-to-weight ratio and resistance to tears, far surpassing typical tent fabrics like silnylon or polyester. While DCF might feel thin or "crinkly" to those accustomed to heavier tents, its real-world durability is proven on thousands of trail miles. However, this premium material contributes significantly to the Duplex's higher price point compared to tents like the REI Flash Air 2, which uses less expensive silnylon.
Weather Protection And Ventilation
Built from Dyneema Composite Fabric, the Duplex is fully waterproof and sheds rain like a champ, making it a reliable 3-season shelter. As a single-wall tent, it integrates the rainfly and inner tent into one layer, which saves weight but means condensation can be an issue in humid or cold conditions, even with the extensive mesh and adjustable storm doors. However, the ability to fine-tune the storm doors for airflow helps mitigate this, and the perimeter bug netting keeps insects at bay.