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The Serta Perfect Sleeper Mondale 13" Medium Tight Top - Mattress + Adjustable Base

The Serta Perfect Sleeper Mondale 13" Medium Tight Top - Mattress + Adjustable Base

Prices as of September 27, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at JCPenney price tracker

14-day low
$1,309
Sep 24 · JCPenney
Best price
$1,309
−52% vs high
14-day high
$2,750
All stores

Lowest recorded: $921.12 at JCPenney on Jun 15, 2026 · $387.77 above that low today · tracked since Apr 2026.

$2,750$2,029$1,309
Sep 14Sep 27
  • JCPenney
Lowest in 14 days: $1308.89 at JCPenney. Highest: $2750.00. Current best is 52% below the 14-day high.

About this product

The Serta Perfect Sleeper Mondale 13" Medium Tight Top mattress, paired with an adjustable base, delivers balanced support and cooling comfort for all sleep positions. Its Q4 Support System features 860 4-in-1 coils with BestEdge foam encasement for even weight distribution and sag resistance. A Comfort Gel Memory Foam layer helps relieve lower back pressure and promotes spinal alignment, while zoned support targets hips and shoulders. Layers of QuiltLoft Foam and Serta HD Support Foam add stability and cushioning. Breathable wool and CoolFeel Fabric enhance temperature regulation. The mattress is designed for use with adjustable bases, allowing customizable positioning for reading or relaxation. It is made in the USA and certified by CertiPUR-US for safety.

  • 13" height, Twin XL size
  • Q4 Support System with 520 coils
  • CoolFeel Fabric and wool layer
  • CertiPUR-US certified foam
  • Designed for adjustable base
  • Spot clean care instructions

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The Serta Perfect Sleeper Mondale 13" Medium — Price History