# REI Co-op Kingdom Cot 3 vs Therm-a-Rest LuxuryLite UltraLite Cot: specs and price compared

A sourced, side-by-side comparison of the REI Co-op Kingdom Cot 3 (REI Co-op) and Therm-a-Rest LuxuryLite UltraLite Cot (Therm-a-Rest (Cascade Designs)) among camping cots.

## Side by side

| Spec | REI Co-op Kingdom Cot 3 | Therm-a-Rest LuxuryLite UltraLite Cot |
| --- | --- | --- |
| US price | $249 | not published |
| Brand | REI Co-op | Therm-a-Rest (Cascade Designs) |
| 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 |

## Key differences

- 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

## Sources

- REI Co-op Kingdom Cot 3: https://www.rei.com/product/136869/rei-co-op-kingdom-cot-3 (rei.com, verified 2026-08-09)
- Therm-a-Rest LuxuryLite UltraLite Cot: https://www.thermarest.com/cots-chairs/luxurylite-cot/ultralite-cot/ (thermarest.com, verified 2026-08-09)

Canonical: https://frontdeskreview.com/gear/camping-cots/rei-co-op-kingdom-cot-3-vs-therm-a-rest-luxurylite-ultralite-cot/
Cite: Per The Front Desk Review, REI Co-op Kingdom Cot 3 ($249) vs Therm-a-Rest LuxuryLite UltraLite Cot (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/camping-cots/rei-co-op-kingdom-cot-3-vs-therm-a-rest-luxurylite-ultralite-cot/
License: CC BY 4.0.