Malouf Sleep Isolus Mattress Topper
Best cooling upgrade for side sleepers seeking pressure relief.
This topper provides a plush, three-inch layer of comfort using hypoallergenic down alternative fill. It features a breathable cotton shell and baffle-box construction to keep the loft even and secure, making it an ideal choice for those seeking the feel of down without the allergens.
$159.99
at
Mattress Barn
More Isolus options
Who it's for
- Allergy sufferers seeking a soft, feather-free sleeping surface
- Restless sleepers who need their bedding to stay perfectly aligned
- Warm sleepers looking for a balance of softness and airflow
Who should skip it
- People needing orthopedic support or relief from deep back pain
- Low-maintenance owners who prefer a consistent, non-shifting mattress feel
- Hot sleepers who require advanced cooling technology to stay comfortable
Performance breakdown
Loft retention
Baffle-box stitching keeps the fill evenly distributed without shifting or clumping.
Breathability
The 250-thread-count cotton shell promotes airflow for a cooler sleep surface.
Allergen resistance
Synthetic down alternative provides plush comfort without triggering common dust sensitivities.
Attachment security
Heavy-duty elastic anchor bands keep the topper firmly locked in place.
Surface plushness
Three inches of loft adds significant softness to firmer mattress profiles.
Maintenance ease
Standard care requirements typical for high-loft, cotton-covered bedding items.
Key Specs
Thickness
3 inches
Fill Material
Down Alternative
Cover Material
Cotton
Thread Count
250
Attachment Type
Anchor Bands
Hypoallergenic
Yes
Construction Type
Baffle Box
Product Type
Mattress Topper
Waterproof
No
Machine Washable
No
Know before you buy
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Ask Metto anything about the Malouf Sleep Isolus Mattress Topper before you decide.
