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Cooling Mattress Topper King

Enhance your sleep experience with a cooling mattress topper in king size. Designed to provide ultimate comfort and temperature regulation, this mattress topper is a game-changer for those seeking a restful night's sleep. Say goodbye to tossing and turning due to overheating, as the cooling technology incorporated into this topper helps dissipate body heat and keeps you cool throughout the night. Browse the top-ranked list of cooling mattress toppers in king sizes below along with associated reviews and opinions.

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  1. Vipbear - 3" Short King Size Extra Firm Mattress Topper with Ice Silk Cover, Cooling Gel+Bamboo High Density Memory Foam - White

    SKU: JJGT9CYKPC

    Product Description

    An extra firm white mattress topper featuring cooling gel, bamboo memory foam, and a luxurious ice silk cover.
    See all Mattresses
    Your price for this item is $104.99

  2. Bestier - 2 Inch 5-Zone Memory Foam Mattress Topper, Gel Infused Foam Mattress Topper for Pressure Relief Bed Topper - King

    SKU: J39TG4JLRL

    Product Description

    A gel-infused, 5-zone memory foam topper with cooling channels offers targeted support and pressure relief.
    See all Mattresses
    Your price for this item is $79.99
    Save $30
    The previous price was $109.99

  3. Vipbear - 3" RV King Size Extra Firm Mattress Topper, Cooling Gel Bamboo High Density Memory Foam, for Pain Relief, 80" x 72" - White

    SKU: JJGT9C6Y2Y

    Product Description

    An extra firm white mattress topper with cooling gel bamboo memory foam for pain relief and refreshing sleep.
    See all Mattresses
    Your price for this item is $104.99

  4. Bestier - 2" Cooling Gel Memory Foam Mattress Topper - King

    SKU: J39TG4JLYP

    Product Description

    A white gel-infused memory foam topper with ventilated holes offers cooling comfort and pressure relief.
    See all Mattresses
    Your price for this item is $79.99
    Save $37
    The previous price was $116.99

  5. Bestier - 3" Gel Memory Foam Mattress Topper Pad with Removable Cooling Cover, King Size - White

    SKU: J39TG42KS3

    Product Description

    A white gel memory foam topper with a removable cooling cover, adjustable straps, and machine-washable design.
    See all Mattress Toppers & Pads
    Your price for this item is $146.28

  6. Vipbear - 4" King Size Extra Firm Mattress Topper, Premium Cooling Gel Bamboo High Density Memory Foam, for Pain Relief，80" x 75" - White

    SKU: JJGT9C6Y78

    Product Description

    A white, extra firm king mattress topper with cooling gel bamboo memory foam for pain-relieving comfort.
    See all Mattresses
    Your price for this item is $145.99

  7. Vipbear - 4" King Size Extra Firm Mattress Topper with Ice Silk Cover, Premium Cooling Gel+Bamboo High Density Memory Foam - White

    SKU: JJGT9CYKGF

    Product Description

    An extra firm white mattress topper featuring cooling gel, bamboo memory foam, and a luxurious ice silk cover.
    See all Mattresses
    Your price for this item is $139.99

  8. CGK Linens - 2" Cooling Gel Infused Memory Foam Ventilated Mattress Topper - King - Blue

    SKU: CL29QWX5T2

    Product Description

    A blue memory foam topper with cooling gel and ventilation holes for enhanced airflow and pressure relief.
    See all Mattress Toppers & Pads
    Your price for this item is $99.99
    Save $10
    The previous price was $109.99

  9. Casper - Wave Hybrid Mattress, California King - Gray

    SKU: JJ86Y2LVXL

    Product Description

    A gray California King hybrid mattress with breathable memory foam and cooling gel for optimal back support.
    See all Mattresses
    Your price for this item is $3,495.00

  10. Vipbear - 3" Short King Size Extra Firm Mattress Topper, Cooling Gel Bamboo High Density Memory Foam, for Pain Relief, 75" x 72" - White

    SKU: JJGT9C6YCW

    Product Description

    An extra firm white memory foam topper with cooling gel and bamboo for pain relief and refreshing sleep.
    See all Mattresses
    Your price for this item is $104.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.