
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.
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
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
- 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
- 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
| Brand | Zinus |
|---|---|
| Dimensions & fit | |
| Size | Twin |
| Item Depth | 8 incheslower than 52% of 24 mattresses |
| Weight Capacity Maximum | 250 poundslower than 88% of 25 mattresses |
| Item Weight | 25.9 poundslower than 77% of 27 mattresses |
| Item Dimensions L x W x Thickness | 75 × 39 × 8 inches |
| Item Dimensions | 75 × 39 × 8 inches |
| Capacity & performance | |
| Age Range Description | Adult |
| Construction & materials | |
| Construction Type | Memory Foam |
| Mattress Comfort Layer Material | Memory Foam |
| Fill Material | Memory Foam, High Density Foam |
| Material Type | Gel Foam, Memory Foam, Polyester |
| Cover Material | Plush |
| Color | White |
| Included components | |
| Number of Packs | 1 |
| Unit Count | 1 |
| Included Components | Mattress |
| Other details | |
| Item Thickness | 8 incheslower than 50% of 35 mattresses |
| Item Firmness Description | Medium |
| topstyle | Tight Top |
| Number of Layers | 3 |
| Shape | Rectangular |
| Mattress Type | Standard Mattress |
| Number of Items | 1 |
| Style Name | 8" |
| Item Type Name | Bed Mattress Conventional |
| Product Care Instructions | Spot Clean Only |
| Additional Features | Breathable, Pressure Relief |
| Product Benefits | Breathability |
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%)
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.