NEMO Mayfly OSMO 3 Lightweight Backpacking Tent Kelty Discovery Trail 3 Person Tent
Head-to-head comparison: specs, scores and expert verdict
NEMO
NEMO Mayfly OSMO 3 Lightweight Backpacking Tent
Best for: Durable, lightweight three-season backpacking.
Kelty
Kelty Discovery Trail 3 Person Tent
Best for: Budget-friendly backpacking and weekend camping trips.
Our Take
Worth flagging before you compare: the NEMO Mayfly OSMO 3 Lightweight Backpacking Tent is a backpacking and the Kelty Discovery Trail 3 Person Tent is a dome, so these two sit in different shelter categories.
The Kelty Discovery Trail 3 Person Tent is noticeably taller inside (4'1" peak height versus 3'6"), giving you more headroom to move around.
It also has vestibule storage for muddy boots and wet gear.
The NEMO Mayfly OSMO 3 Lightweight Backpacking Tent and the Kelty Discovery Trail 3 Person Tent are remarkably well-matched, both scoring 8.1 overall.
The biggest gap is ease of setup, where the NEMO Mayfly OSMO 3 Lightweight Backpacking Tent holds a clear advantage.
The Kelty Discovery Trail 3 Person Tent also has a price edge — $160 less at $159 versus $319.
Your best pick will come down to personal priorities, so check the full specs comparison below.
Score Comparison
Pros & Cons
NEMO Mayfly OSMO 3 Lightweight Backpacking Tent
- OSMO fabric stays tight wet
- Huge doors offer easy entry
- Axial anchors make setup simple
- Snag-prone rainfly zippers are frustrating
- Budget PU floor lacks durability
Kelty Discovery Trail 3 Person Tent
- Fast Quick Corner setup
- Durable aluminum poles
- Waterproof tub floor
- Heavier trail weight
- Single door access
Full Specs
| Spec | NEMO Mayfly OSMO 3 Lightweight Backpacking Tent | Kelty Discovery Trail 3 Person Tent |
|---|---|---|
| Tent Type | Backpacking | Dome, Backpacking |
| Capacity | 2 people | 2 people |
| Seasons | 3 Season | 3 Season |
| Est. Price | $320 | $160 |
| Weight | 4.1 Lbs | 5 Lbs 7 Oz |
| Floor Area | 39.7 ft² | 45.9 ft² |
| Vestibule Area | 8.6 Sq Ft + 8.6 Sq Ft | |
| Peak Height | 42 | 49 |
| Doors | 2 | 1 |
| Floor Dimensions | 88 X 68/62 In | 48.5"x87"x76" |
| Pole Material | Aluminum | Aluminum |
| Floor Fabric | — | 68 D Polyster / 1200 MM / CO |
| Rainfly Fabric | Sil/PU OSMO Poly Nylon Ripstop (1500 Mm) | 68 D Polyster / 1200 MM / CO |
| Setup Time | 20 Mins | 5 Mins |
| Warranty | Lifetime | Limited Lifetime |
| Made In | Imported | Imported |
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