Malouf Omniphase mattress protector provides stain-proof protection for enjoying breakfast in bed safely. Malouf Five Sided + Omniphase mattress protector box featuring 5-in-1 protection and cooling technology. Easy installation of the Malouf five-sided mattress protector with a secure, deep-pocket elastic fit. Feature diagram for Malouf mattress protector showing cooling protection, waterproof core, and universal fit. Malouf Sleep Tite Omniphase mattress protector tag highlighting breathable Tencel fiber technology. Universal Fit elastic skirt on a Malouf mattress protector for a snug, secure fit on any mattress depth. Detailed view of the ultra-breathable Omniphase cooling fabric on a white Malouf mattress protector. Durable waterproof H2Pro membrane on the underside of a Malouf mattress protector for spill protection. Soft-touch cooling fabric of the Malouf Omniphase mattress protector for a comfortable sleep surface. Malouf Five Sided Omniphase mattress protector on a bed, offering a clean and allergen-free sleep environment. Waterproof top and side protection diagram for the Malouf Five Sided Omniphase mattress protector. Five-sided mattress protector diagram showing full waterproof coverage for the top and all four sides. Malouf mattress protector 15-year warranty badge ensuring long-term product durability and quality.
Five Sided™ + Omniphase™ Mattress Protector by Malouf

Five Sided™ + Omniphase™ Mattress Protector by Malouf

$89.99
$99.00
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Brand: MALOUF
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$89.99
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The Five Sided Omniphase Mattress Protector combines three distinct technologies in one protector: OmniPhase® phase change material actively regulates temperature, TENCEL™ Lyocell wicks moisture away from the body, and the H2Pro® membrane delivers five-sided liquid-proof protection. Built for hot sleepers who also need complete allergen and liquid defense.

OmniPhase® Phase Change Material for Active Temperature Regulation

OmniPhase® is microencapsulated directly into the TENCEL™ fabric blend, so temperature regulation happens at the surface where the body makes contact. Phase change molecules absorb heat as they melt and release it as they solidify, cycling continuously to maintain the optimal sleep temperature in any climate.

This is active cooling, not passive breathability. The protector responds to the sleeper's temperature in real time, not just after heat has already built up.

TENCEL™ Lyocell Fiber for Moisture-Wicking Comfort

TENCEL™ Lyocell fiber is extracted from raw wood using a sustainable closed-loop process, producing a fabric that is more absorbent than cotton and softer than most synthetic alternatives. Moisture is drawn away from the skin quickly and dispersed through the fiber structure before it accumulates at the surface.

Night sweats and perspiration transfer away from the body continuously through the TENCEL™ layer. The sleep surface stays dry and cool without the sleeper needing to flip or reposition.

Five-Sided H2Pro® Coverage for All-Surface Protection

The laboratory-certified H2Pro® membrane extends across the top and all four sides of the mattress, closing every exposed surface to liquids, dust mites, and allergens. Standard top-only protectors leave the sides of the mattress unprotected where contamination accumulates over time.

Universal Fit® elastic secures the protector onto any mattress from 6 to 22 inches deep without bunching or corner lift. Adjustable base users and split king setups are both fully supported.

Product Specifications

  • Brand: Malouf
  • Technologies: OmniPhase®, TENCEL™ Lyocell, H2Pro® Membrane
  • Fabric: 50/50 Lyocell/Viscose bonded to Polyurethane Membrane
  • Coverage: Five-Sided, Top and All Four Sides
  • Protection: 100% Waterproof, Dust Mite and Allergen Proof
  • Fit: Universal Fit® Elastic, 6 to 22 Inch Depth
  • Care: Machine Washable
OmniPhase® Microencapsulation
Built-In Temperature Science

OmniPhase® Microencapsulation

Cooling that survives every wash

OmniPhase® phase change molecules are microencapsulated directly into the 50/50 Lyocell/Viscose fabric blend rather than applied as a surface coating. The molecules sit within the fiber structure and cycle between liquid and solid states in direct response to body heat, maintaining a consistent surface temperature without any degradation from washing.

Sustainable Fiber Engineering

TENCEL™ Closed-Loop Fiber Production

Faster moisture transfer, less environmental impact

TENCEL™ Lyocell fibers are produced through a closed-loop system that recovers and reuses solvent, resulting in a fiber with an exceptionally fine cross-section that accelerates moisture transfer away from the skin. The fine fiber diameter creates more surface area per gram than cotton, so moisture disperses faster and the fabric returns to a dry state more quickly between absorption cycles.

TENCEL™ Closed-Loop Fiber Production
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Whether its day or night, our dedicated team is always available to answer questions, resolve issues, and guide you through every step.

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Not sure which mattress suits you best? our sleep experts are here to help you choose the perfect option tailored to your comfort, health and lifestyle needs.

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Designed for deep comfort and better rest, so you wake up refreshed and ready for the day

Available in Twin, Full, Queen, King, and California King. Split King purchases include two Twin XL protectors, one for each mattress of the split setup.

Yes, the H2Pro® membrane delivers 100% liquid-proof protection across five sides without changing the feel or sound profile of the mattress. Memory foam users get full protection with no crinkle noise or added firmness.

Yes, OmniPhase® phase change molecules actively absorb and release heat at the surface in direct response to body temperature. It regulates sleep temperature continuously in any climate, making it the most effective cooling protector in the Malouf range.

Yes, Universal Fit® elastic spans the full perimeter and accommodates all mattress depths from 6 to 22 inches. The protector flexes with adjustable base positions without pulling off or bunching at the sides.

Machine wash once or twice a month following the care label instructions. Tumble dry low and avoid bleach or fabric softener to preserve both the OmniPhase® microencapsulation and the H2Pro® membrane integrity.

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