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3 Inch King Mattress Topper

Transform your sleep experience with a 3-inch king mattress topper, designed to bring an extra layer of comfort and support to your bed. Perfect for rejuvenating an older mattress or adding plushness to a new one, these toppers provide an enhanced sleeping surface that conforms to your body for a more restful night's sleep. Whether you prefer memory foam, gel-infused options, or hypoallergenic materials, there's a variety of choices to suit your personal preferences and needs. Explore the possibilities of waking up refreshed and ready to tackle the day with the perfect addition to your bedroom sanctuary.

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  1. Vipbear - 3" Short King Size Extra Firm Mattress Topper,High-Density Foam Mattress Pad with Removable Cover, 75'' x 72" - White

    SKU: JJGT9C6YPY

    Product Description

    An extra firm, high-density foam mattress topper in white with a removable cover for enhanced comfort.
    See all Mattresses
    Your price for this item is $94.99

  2. Hivvago - King size 3-inch Thick High Density Memory Foam Mattress Topper - Blue

    SKU: J45HJ9FX4P

    Product Description

    A blue, gel-infused high-density memory foam topper offering cooling comfort and support for restful sleep.
    See all Mattress Toppers & Pads
    Your price for this item is $182.85
    Save $82
    The previous price was $265.14

  3. Vipbear - Gel Memory Foam Mattress Topper 3 Inch Short King Size High-Density Mattress Pad - White

    SKU: JJGT9CP2W9

    Product Description

    A high-density, firm gel memory foam mattress topper in white for enhanced comfort and support.
    See all Mattresses
    Your price for this item is $117.00

  4. Dyonery - 3 in high-density foam mattress pads, detachable bedspreads, suitable for bedrooms and dormitories, King size - White

    SKU: JJGT9CPZ5T

    Product Description

    A white high-density foam mattress topper with extra firm support and a detachable bedspread for comfort.
    See all Mattresses
    Your price for this item is $110.00

  5. Dyonery - King Size Firm Twin Mattress Topper 3 Inch High Density Foam, Non-Slip, Removable Washable Cover - Gray

    SKU: JJGT9CHSGW

    Product Description

    A gray high-density memory foam topper offering firm support, pressure relief, and a removable washable cover.
    See all Mattress Toppers & Pads
    Your price for this item is $121.58
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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.