# Helinox Cot One Convertible vs REI Co-op Kingdom Cot 3: specs and price compared

A sourced, side-by-side comparison of the Helinox Cot One Convertible (Helinox) and REI Co-op Kingdom Cot 3 (REI Co-op) among camping cots. REI Co-op Kingdom Cot 3 is the cheaper of the two at $249.

## Side by side

| Spec | Helinox Cot One Convertible | REI Co-op Kingdom Cot 3 |
| --- | --- | --- |
| US price | $349.95 | $249 |
| Brand | Helinox | REI Co-op |
| 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 |

## Key differences

- 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

## Sources

- Helinox Cot One Convertible: https://www.helinox.com/products/cot-one-convertible (helinox.com, verified 2026-08-09)
- REI Co-op Kingdom Cot 3: https://www.rei.com/product/136869/rei-co-op-kingdom-cot-3 (rei.com, verified 2026-08-09)

Canonical: https://frontdeskreview.com/gear/camping-cots/helinox-cot-one-convertible-vs-rei-co-op-kingdom-cot-3/
Cite: Per The Front Desk Review, Helinox Cot One Convertible ($349.95) vs REI Co-op Kingdom Cot 3 ($249) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/camping-cots/helinox-cot-one-convertible-vs-rei-co-op-kingdom-cot-3/
License: CC BY 4.0.