Nemo Hornet Elite OSMO 2-Person Tent Review: Ultralight, Low-Stretch, Three-Season Shelter

Introduction

Sil nylon built a reputation as a strong, light and highly waterproof tent fabric, but it carried one persistent drawback: it stretches when wet. On a damp night, a fly cut from sil nylon can sag until it rests against the inner tent, choking off airflow and turning condensation into a soaked interior by morning. That behaviour put enormous pressure on shelter design, because the structure had to compensate for a fabric that kept changing shape as the weather changed.

Nemo has tackled that problem with a proprietary material it calls OSMO poly-nylon ripstop, rated as four times more water repellent and three times less prone to stretching when wet than sil nylon. The Nemo Hornet Elite OSMO 2-Person Tent is the most advanced shelter in the Hornet range and the lightest tent Nemo makes, which makes it the clearest demonstration of what the new fabric allows.

Who This Tent Is For

This is a three-season shelter, built for warmer months rather than winter use. With a real-world interior length of 72 inches, it suits solo backpackers and fast-and-light travellers who want one person plus gear under a compact fly. A one-person version is also available, and the two-person model sits at the top of the Hornet line.

Sleeper height matters more here than the spec sheet suggests. Around 5 ft 10 in or shorter is genuinely comfortable, and 6 ft is the practical ceiling. Anyone taller will find their sleeping bag touching the walls at both ends, with feet against the rear wall and head against the front.

Two rectangular sleeping pads do fit side by side on the floor, so the tent can technically sleep two. In practice the side walls slope inward, so two occupants end up touching shoulders and pressing the fabric outward. It is more accurate to think of this as a one-and-a-half person shelter: a solo tent with generous room for gear.

Main Strengths

Construction is the first thing that stands out. Every seam, every stitch and every strip of seam tape is clean, with no loose threads anywhere on the shelter. At this price that finish should be a baseline rather than a bonus, and the Hornet Elite OSMO meets it without qualification.

At a listed 2 lb 1 oz, this is the lightest tent Nemo makes, and it feels it the moment you pick it up. Poles are DAC Featherlite aluminium and the included stakes are aluminium as well. Ventilation is the other standout: the fly pulls away from the inner all the way around, so air moves freely underneath and up through the mesh body. The shelter has no dedicated vents, and that costs it nothing, because most airflow and moisture control comes from air passing beneath the fly rather than through vent openings.

Weatherproofing and Fabric Behaviour

The fly and floor carry a 1,200 mm waterproof rating, but the fabric itself is the headline. OSMO poly-nylon ripstop is rated four times more water repellent and three times less stretchy when wet than sil nylon, and the difference is immediately visible in camp. Across wet trips the fly has held its shape instead of sagging onto the inner overnight, which means no hourly adjustments to keep the canopy taut and no condensation dumped onto sleeping bags by morning.

Pole and stake hardware is aluminium throughout, and the fly is deliberately asymmetric. Coverage at the head end is partial, with an extended fabric panel on the inner providing rain protection there, while the fly reaches much further down on the opposite side. Storm flaps sit over each door zipper, and every stakeout point is adjustable.

Interior Space and Ventilation

Measured inside, the tent runs 72 inches long, 42 inches wide at the head and 37 inches at the foot. Peak height is 38 inches, dropping to roughly 31.5 inches at the foot end. A bathtub floor rises about 7 inches along the sides, a little higher at the foot and considerably higher at the head.

The body is almost entirely mesh, with two doors, one on each side and both the same size. Two-way zippers with corded pulls run smoothly, and a toggle-and-hardware detail holds a rolled door in place, a small touch that keeps an open door out of the way. Inside there are two mesh pockets, one per side, plus a sleeve at the head end for a headlamp. A panel of orange-yellow fabric diffuses that light across the interior. It works adequately rather than brilliantly, and a simple mesh pocket overhead would achieve much the same result.

Living With the Tent

Setup is not freestanding. The pole structure is Y-shaped rather than the more common X, and the shelter has to be staked out before it will stand. A short spreader bar, only about six or seven inches long, widens the top of the tent rather than the whole inner, a different approach from the long crossbars usually found on shelters of this type.

Pitching and Stake Requirements

Included with the tent are four guy lines, a pole repair kit and six aluminium stakes, with three guy line placements at the head end and one at the foot. Six stakes is not enough to guy the shelter out properly. At least four more are needed, and those have to be supplied separately, which is a difficult omission to accept on a tent at this price.

Packed Size and Transport

Packed, the Hornet Elite OSMO measures 19 inches long, 4 inches wide and 2 inches deep in its storage bag. The bag uses a roll-top closure and includes a hanging loop. That is a very small package for a two-person shelter, and it leaves meaningful room in a pack for insulation, food and water.

Rolling the tent tightly takes a little practice, but the roll-top design makes it easy to compress the load and keep it stable inside a backpack, which matters on longer carries where every litre of pack volume counts.

Things to Consider Before Buying

The two-person label deserves scrutiny. Two rectangular pads fit, but the walls slope inward on both sides, so occupants end up pressing against the fabric. Sitting up together is close to impossible, and sleeping two people means constant unintentional contact through the night. Treat this as a one-and-a-half person shelter: excellent for one person with gear, workable for two only at a real cost in comfort.

Fly coverage at the foot end is the second consideration. The fly tapers and drops there, and its cut is narrow enough that the inner tent is visible. In wind-driven rain, that is the most likely place for moisture to reach the inner. Because the fly does not reach very low, gear stored in the vestibule space can also get wet in certain conditions, so pack accordingly.

The headlamp diffuser is a nice idea that only partly delivers. It does not meaningfully change the experience of being inside the tent, and it is not a reason to choose this shelter on its own. Sustained heavy rain is the open question: damp nights have been handled well, but a full soaking has not yet been put to the test.

Buying Advice

Nemo builds several Hornet tents, so it is worth confirming that the model in question is the Hornet Elite OSMO version, since the OSMO fabric is the main reason to choose this shelter over an older design. At $660 it sits firmly in premium territory, and the value depends entirely on what you need from it. For a solo backpacker chasing the lowest possible weight with excellent ventilation, the price buys a genuinely well-made shelter with a fabric that solves a long-standing problem. For anyone who regularly travels with a partner and wants to sit up, stretch out, or keep two people comfortable through a wet night, a larger tent will serve you better.

Conclusion

The Hornet Elite OSMO is a clear statement of what Nemo’s new fabric changes. OSMO poly-nylon ripstop keeps the low weight and waterproofing that made sil nylon appealing, without the sag that turned wet nights into a misery, and the shelter built around it is assembled to a very high standard. The compromises are real: a cramped two-person interior, a short fly at the foot end, and a stake count that falls short of what the guy lines require. Buy it as an ultralight one-person shelter with room for gear, and it makes a great deal of sense.