Helinox
Helinox Cot One Convertible
$349.95
Best Camping Cots · head-to-head
Helinox Cot One Convertible vs REI Co-op Kingdom Cot 3
A sourced, side-by-side comparison. REI Co-op Kingdom Cot 3 is cheaper at $249. Every spec and price links to its source.
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REI Co-op
REI Co-op Kingdom Cot 3
$249Cheaper
Which is better: the Helinox Cot One Convertible or REI Co-op Kingdom Cot 3?
They split the 2 specs we compare evenly. The REI Co-op Kingdom Cot 3 is the cheaper at $249.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Helinox Cot One Convertible | REI Co-op Kingdom Cot 3 |
|---|---|---|
| US price | $349.95 | $249 |
| Brand | Helinox | REI Co-op |
| Released | — | — |
| Weight capacity (lb) | 320 | 300 |
| Packed size | 21 x 6 x 5.5 in | 33 x 32 x 9 in |
| Sleeping dimensions | 75 x 26 in | 82 x 32 x 14 in |
| Frame material | Aluminum (DAC TH72M alloy) with nylon resin hubs | Aluminum and steel |
| Cot weight (lb) | 4.59 | 20 |
| Height off ground (in) | 6.5 | 14 |
| Setup type | Tool-free shock-corded pole/hub frame with lever-lock tensioning; 6-piece assembly, expandable to 15 in off the ground with optional leg extension kit | Powder-coated aluminum/steel folding frame with plush foam mattress and adjustable headrest that converts to a lounger position |
Sources — Helinox Cot One Convertible: helinox.com (verified 2026-08-09). REI Co-op Kingdom Cot 3: rei.com (verified 2026-08-09).
What's the difference between the Helinox Cot One Convertible and REI Co-op Kingdom Cot 3?
Where the two actually differ on the specs we track (7 of 7). Matching specs are omitted.
- Weight capacity (lb): Helinox Cot One Convertible 320 vs REI Co-op Kingdom Cot 3 300
- Packed size: Helinox Cot One Convertible 21 x 6 x 5.5 in vs REI Co-op Kingdom Cot 3 33 x 32 x 9 in
- Sleeping dimensions: Helinox Cot One Convertible 75 x 26 in vs REI Co-op Kingdom Cot 3 82 x 32 x 14 in
- Frame material: Helinox Cot One Convertible Aluminum (DAC TH72M alloy) with nylon resin hubs vs REI Co-op Kingdom Cot 3 Aluminum and steel
- Cot weight (lb): Helinox Cot One Convertible 4.59 vs REI Co-op Kingdom Cot 3 20
- Height off ground (in): Helinox Cot One Convertible 6.5 vs REI Co-op Kingdom Cot 3 14
- Setup type: Helinox Cot One Convertible Tool-free shock-corded pole/hub frame with lever-lock tensioning; 6-piece assembly, expandable to 15 in off the ground with optional leg extension kit vs REI Co-op Kingdom Cot 3 Powder-coated aluminum/steel folding frame with plush foam mattress and adjustable headrest that converts to a lounger position