Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Eli & Elm Side Sleeper
Coop Original
Comfort
9/10
9/10
Support
9.2/10
8.8/10
Cooling
8.5/10
8/10
Adjustability
8.5/10
9.5/10
Durability
8.5/10
8.5/10
Value
7.5/10
9/10
Quick Specs Comparison
Spec
Eli & Elm Side Sleeper
Coop Original
Price
$130
$72
Fill
Latex + Polyester Blend
Shredded Memory Foam
Shape
U-shaped shoulder cutout
Traditional rectangular
Adjustable
Yes — removable fill
Yes — add/remove fill
Trial
45 nights
100 nights
Warranty
5 years
5 years
Key Advantages
Why Choose Eli & Elm Side Sleeper
- U-shaped cutout eliminates shoulder pressure
- Designed specifically for side sleepers
- Latex/poly blend is cooler and more responsive
Why Choose Coop Original
- $58 cheaper with a longer trial period
- Works for all sleep positions, not just side
- More fill customization options