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The Serta Perfect Sleeper Oasis Sleep is a 15-inch queen pillow-top mattress with a plush feel, pocketed coils in three support zones, and Cool Twist gel memory foam in the comfort layers. It is sold as a mattress only, so a foundation or adjustable base is a separate purchase. The best new price is $1,099 at Walmart as of November 7, 2026, and three stores list it new.
In stockSold by Serta Simmons Bedding LLCReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
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In stock
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Lowest price we've seen: $1,359.00 on Nov 7 at Lowe's. Tracked across 2 stores since Nov 7.
Ratings are strong at 4.7 out of 5 across 873 reviews, with buyers generally describing a soft, supportive feel and good value for a plush pillow top.
The Serta Perfect Sleeper Oasis Sleep features a 3 zoned coil design, this Adult mattress offers pressure relief and support right where you need it, with a Cool Twist® Gel Memory Foam that contours to your body & keeps it cool. This unique design features cooling gel swirled into premium memory foam. This breathable memory foam helps enhance airflow and heat dissipation for a feeling that can only be described as a cool, contouring type of comfort—with upgrades available with more cooling layers and support.
