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KOULABR Z
14 Inch King Size Mattress – The Feel Most Sleepers Prefer | Hybrid Gel Memory Foam Comfort & Balanced Support for Back and Side Sleepers – Medium-Firm, 365-Night Trial 14 Inches King
4.5
Based on 319 reviewsReal-World Testing
30 days of real-world testing
Recently Updated
Updated Nov 17, 2025
Technical Specifications
Complete product details
- Product Dimensions
- 80 x 76 x 14 inches
- Item Weight
- 76 pounds
- Manufacturer
- KOULABR Z
- ASIN
- B0FG2XNV6F
- Item model number
- CD01B-14k
- Customer Reviews
- 4.5 4.5 out of 5 stars 319 ratings 4.5 out of 5 stars
- Best Sellers Rank
- #26,740 in Home & Kitchen (See Top 100 in Home & Kitchen) #131 in Mattresses
- Date First Available
- July 22, 2025
- Age Range Description
- Adult
- Brand
- KOULABR Z
- Size
- King
- Product Dimensions
- 80"L x 76"W x 14"Th
- Top Style
- Euro Top
- Cover Material
- Cotton Blend
- Number of Layers
- 5.0
- Fill Material
- High Density Foam, Memory Foam
- Special Feature
- Back Pain Relief, Maximum Support, Promote spinal alignment, Zone Support
- Color
- Grey
- Coil Type
- Pocketed Coil
Community Q&A
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About the Author
Expert analysis by Hazel Drummond
Hazel Drummond
Expert ReviewerAssociate Editor
Hazel focuses on backup tools, note apps, and the accessories that make them better at Review Atlas. She prioritizes privacy, sync reliability, and export options so you’re never locked in. Her practical guides help students and freelancers build resilient, low‑friction systems.
SoftwareComputers Accessories
View Full ProfileHow We Tested This Product
Our rigorous, independent testing process
Testing Period
30 days
Tested By
Hazel Drummond
Our Testing Process
- We purchase all products at full retail price to ensure unbiased testing
- Products are tested in real-world conditions matching everyday use
- Our experts conduct both objective measurements and subjective evaluations
- Reviews are regularly updated as new products enter the market
- Tested according to our Air Mattresses & Accessories testing methodology
Last updated: November 17, 2025
|Independently tested and reviewed