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    Mattress Comparison
    King Koil FLOWT mattress

    King Koil FLOWT

    VS
    Eight Sleep Pod 3 mattress

    Eight Sleep Pod 3

    King Koil FLOWT vs. Eight Sleep Pod 3

    Side-by-side comparison of the King Koil FLOWT (Luxury Hybrid) and Eight Sleep Pod 3 (Smart Foam). Compare comfort, cooling, support, value and more — based on our lab testing.

    Winner: Eight Sleep

    By Sleep Sage Editorial Team

    Side-by-side mattress testing · 144+ comparisons published

    Updated May 2026
    Category
    King Koil FLOWT
    Eight Sleep Pod 3
    Comfort
    9/10
    9/10
    Support
    8.9/10
    8.9/10
    Cooling
    9.5/10
    9.9/10
    Edge Support
    8.6/10
    8.5/10
    Motion Isolation
    8.8/10
    9/10
    Durability
    8.9/10
    9/10
    Value
    7.8/10
    8/10

    Quick Specs Comparison

    Spec
    King Koil FLOWT
    Eight Sleep Pod 3
    Price (Queen)
    $2,999
    $2,795
    Type
    Luxury Hybrid
    Smart Foam
    Firmness
    6/10
    6/10
    Height
    14 inches
    11 inches
    Trial
    120 nights
    100 nights
    Warranty
    10 years
    2 years (10 years for mattress)
    Shipping
    Free white glove delivery on most orders
    Free shipping

    Key Advantages

    Why Choose King Koil FLOWT

    • Spiral coil system keeps lateral airflow open — excellent heat dissipation
    • Cooling gel comfort layers stay neutral through the night
    • Responsive medium feel suits combination sleepers

    Why Choose Eight Sleep Pod 3

    • Active cooling and heating per side
    • Comprehensive sleep tracking
    • Dual zone temperature control

    Still Not Sure Which to Choose?

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