REI Co-op Half Dome SL 2+ Tent With Footprint Big Agnes Sheep Mountain 4
Head-to-head comparison: specs, scores and expert verdict
REI Co-op
REI Co-op Half Dome SL 2+ Tent With Footprint
Best for: Backpacking and car camping for two.
Big Agnes
Big Agnes Sheep Mountain 4
Best for: Versatile three-season family car camping.
Our Take
Worth flagging before you compare: the REI Co-op Half Dome SL 2+ Tent With Footprint is a motorcycle and the Big Agnes Sheep Mountain 4 is a dome, so these two sit in different shelter categories.
It also adds a included footprint — a meaningful structural difference.
The Big Agnes Sheep Mountain 4 is noticeably taller inside (4'7" peak height versus 3'6"), giving you more headroom to move around.
Floor space is also wider — 66 sq ft versus 34 sq ft for the REI Co-op Half Dome SL 2+ Tent With Footprint.
The REI Co-op Half Dome SL 2+ Tent With Footprint also offers significantly more vestibule space — 23 sq ft versus 12 sq ft.
On scores, the Big Agnes Sheep Mountain 4 edges ahead — 8.1 overall versus 7.6.
The biggest gap is space and comfort, where the Big Agnes Sheep Mountain 4 holds a clear advantage.
The REI Co-op Half Dome SL 2+ Tent With Footprint also has a price edge — $150 less at $399 versus $549.
For most buyers, the Big Agnes Sheep Mountain 4 is the stronger all-round pick — but check the full specs below before deciding.
🏆 Our pick: The Big Agnes Sheep Mountain 4 scores higher overall.
Score Comparison
Pros & Cons
REI Co-op Half Dome SL 2+ Tent With Footprint
- Vertical walls increase headroom
- Included custom-fit footprint
- Symmetrical color-coded setup
- Bulky packed size
- Unwieldy hubbed poles
Big Agnes Sheep Mountain 4
- No footprint needed
- Eight mesh pockets
- Durable Oxford polyester
- Hefty 12-pound weight
- Stuff fly doors
Full Specs
| Spec | REI Co-op Half Dome SL 2+ Tent With Footprint | Big Agnes Sheep Mountain 4 |
|---|---|---|
| Tent Type | Motorcycle, Backpacking | Dome, Motorcycle, Backpacking |
| Capacity | 2 people | 2 people |
| Seasons | 3 Season | 3 Season |
| Est. Price | $399 | $550 |
| Weight | 4 Lbs. 11.5 Oz | 11lb 13oz |
| Min Trail Weight | 3 Lbs. 15 Oz. | 11lb 3oz |
| Floor Area | 33.8 ft² | 66.0 ft² |
| Vestibule Area | 22.5 Sq Ft | 12ft² + 12ft² |
| Peak Height | 42 | 55 |
| Doors | 2 | 2 |
| Floor Dimensions | 90 X 54 Inches | — |
| Pole Material | Aluminum | Polyester Ripstop And Nylon Mesh |
| Floor Fabric | 40 Denier Taffeta Nylon | Polyester Oxford With 1500mm Waterproof Polyurethane Coating |
| Rainfly Fabric | 30 Denier Nylon | Polyester Ripstop With 1500mm Waterproof Polyurethane Coating |
| Setup Time | 5 Mins | 10 Mins |
| Warranty | None | Limited Lifetime |
| Made In | USA | USA |
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