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REI Co-op
REI Co-op Kingdom Cot 3
$249
Best Camping Cots · head-to-head
REI Co-op Kingdom Cot 3 vs Therm-a-Rest LuxuryLite UltraLite Cot
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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Therm-a-Rest (Cascade Designs)
Therm-a-Rest LuxuryLite UltraLite Cot
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Which is better: the REI Co-op Kingdom Cot 3 or Therm-a-Rest LuxuryLite UltraLite Cot?
The Therm-a-Rest LuxuryLite UltraLite Cot wins 1 of the 1 specs we compare head to head; the other wins 0.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | REI Co-op Kingdom Cot 3 | Therm-a-Rest LuxuryLite UltraLite Cot |
|---|---|---|
| US price | $249 | — |
| Brand | REI Co-op | Therm-a-Rest (Cascade Designs) |
| Released | — | — |
| Weight capacity (lb) | 300 | — |
| Packed size | 33 x 32 x 9 in | ~16 in (stuff sack length) |
| Sleeping dimensions | 82 x 32 x 14 in | — |
| Frame material | Aluminum and steel | Aluminum (patented BowFrame pole design) |
| Cot weight (lb) | 20 | 2.75 |
| Height off ground (in) | 14 | — |
| Setup type | Powder-coated aluminum/steel folding frame with plush foam mattress and adjustable headrest that converts to a lounger position | Tool-free BowFrame aluminum pole system; stretch-free fabric bed goes from stuff sack to fully assembled in minutes |
Sources — REI Co-op Kingdom Cot 3: rei.com (verified 2026-08-09). Therm-a-Rest LuxuryLite UltraLite Cot: thermarest.com (verified 2026-08-09).
What's the difference between the REI Co-op Kingdom Cot 3 and Therm-a-Rest LuxuryLite UltraLite Cot?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- Packed size: REI Co-op Kingdom Cot 3 33 x 32 x 9 in vs Therm-a-Rest LuxuryLite UltraLite Cot ~16 in (stuff sack length)
- Frame material: REI Co-op Kingdom Cot 3 Aluminum and steel vs Therm-a-Rest LuxuryLite UltraLite Cot Aluminum (patented BowFrame pole design)
- Cot weight (lb): REI Co-op Kingdom Cot 3 20 vs Therm-a-Rest LuxuryLite UltraLite Cot 2.75
- Setup type: 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 vs Therm-a-Rest LuxuryLite UltraLite Cot Tool-free BowFrame aluminum pole system; stretch-free fabric bed goes from stuff sack to fully assembled in minutes