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Zinus

Zinus 8 Inch Cooling Essential Memory Foam Mattress Twin

  • Size: Twin
  • Item Thickness: 8 inches
  • Item Depth: 8 inches
  • Item Firmness Description: Medium

Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A straightforward fiberglass-free twin memory foam mattress with certified materials, a sensible choice for a twin frame or platform base you already own.

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ASIN: B0CSJTKX7KCategory: Mattresses

Sizes Available

FullKingQueenTwin

Styles Available

5"6"10"12"

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Overview

An 8-inch twin memory foam mattress from Zinus with a cooling gel layer, a medium feel, and a fiberglass-free build that uses a carbon-rayon flame barrier instead.

Zinus positions this as an entry point into its mattress line, and the listing backs that up with specifics: CertiPUR-US certified foam, an Oeko-Tex certified cover, and an explicit fiberglass-free construction, addressing a complaint that has followed budget memory foam mattresses for years. It compresses for one-box shipping, a format that trades a short unboxing wait, Zinus states 24 to 72 hours to fully expand, for lower shipping cost.

  • 8-inch twin cooling gel memory foam mattress
  • Fiberglass-free, carbon-rayon flame barrier
  • CertiPUR-US and Oeko-Tex certified materials
  • 10-year limited warranty

Who it's for

Suits a twin bed in a kid's room, guest room or dorm where a medium-feel memory foam mattress at a twin's 250 lb weight limit is enough. Not built for anyone who needs a firmer feel or a higher weight rating, which come from other models in the Zinus line.

Pros and cons

Pros
  • Fiberglass-free with a carbon-rayon flame barrier
  • CertiPUR-US foam and Oeko-Tex certified cover
  • Works with platform beds, box springs, slats and adjustable bases
  • 10-year limited warranty
Cons
  • Twin size caps out at 250 lbs
  • Needs up to 72 hours to fully expand after unboxing

Performance notes

The gel memory foam layer draws heat away from the body while the cover promotes airflow, which is how the mattress avoids the heat buildup plain memory foam is known for. The medium feel contours at the shoulders and hips without sinking, which Zinus positions for side, back and combination sleepers rather than one sleep style alone.

Specifications

BrandZinus
Dimensions & fit
SizeTwin
Item Depth8 incheslower than 52% of 24 mattresses
Weight Capacity Maximum250 poundslower than 88% of 25 mattresses
Item Weight25.9 poundslower than 77% of 27 mattresses
Item Dimensions L x W x Thickness75 × 39 × 8 inches
Item Dimensions75 × 39 × 8 inches
Capacity & performance
Age Range DescriptionAdult
Construction & materials
Construction TypeMemory Foam
Mattress Comfort Layer MaterialMemory Foam
Fill MaterialMemory Foam, High Density Foam
Material TypeGel Foam, Memory Foam, Polyester
Cover MaterialPlush
ColorWhite
Included components
Number of Packs1
Unit Count1
Included ComponentsMattress
Other details
Item Thickness8 incheslower than 50% of 35 mattresses
Item Firmness DescriptionMedium
topstyleTight Top
Number of Layers3
ShapeRectangular
Mattress TypeStandard Mattress
Number of Items1
Style Name8"
Item Type NameBed Mattress Conventional
Product Care InstructionsSpot Clean Only
Additional FeaturesBreathable, Pressure Relief
Product BenefitsBreathability

Closest rivals on specs

GAESTE 8 Inch Cooling Gel Memory Foam Mattress Full
  • Item Weight 25.9 vs 38 pounds (-32%)
Linenspa 8 Inch Hybrid Mattress Twin
  • Item Weight 25.9 vs 39.5 pounds (-34%)
  • Weight Capacity Maximum 250 vs 300 pounds (-17%)
NapQueen 8 Inch Bamboo Charcoal Memory Foam Mattress Full
  • Item Weight 25.9 vs 37 pounds (-30%)
  • Weight Capacity Maximum 250 vs 350 pounds (-29%)
Compare all side by side

Frequently asked questions

Does this Zinus mattress contain fiberglass?

No, Zinus uses a carbon-rayon flame barrier instead of fiberglass in this mattress.

What bed frames work with this mattress?

It is compatible with platform beds, box springs, slatted frames and adjustable bases.

How long does it take to expand after shipping?

Zinus states 24 to 72 hours for the mattress to fully expand once unboxed and unrolled.