UniPon P2503189 King Hybrid Mattress, 14-Inch Medium-Firm with Lumbar Support

For a king bed shared by two sleepers, this hybrid mattress pairs pocket coils with supportive foam layers. Its medium-firm feel and added lumbar and hip support are designed for a more stable, comfortable sleep surface. Low motion transfer helps limit the movement felt across the bed. The 14-inch profile includes a Euro top.

Key specifications

• Size: King
• Dimensions: 80" L x 76" W x 14" thick
• Firmness: Medium firm
• Construction: Hybrid with pocketed coils and foam comfort layers
• Top style: Euro top
• Special feature: Low motion transfer
• Color: Gray
• Fiberglass: Fiberglass-free

The individually working pocket coils contour to the body while providing support along its curves. Foam layers add cushioning, and extra lumbar foam works with enhanced coils to support the lower back and hips. The design also promotes airflow through the mattress, helping reduce heat buildup during sleep. Together, these features make it a considered choice for shoppers who want the contouring feel of foam with the responsive support of a coil-based mattress.

Practical tips

The king dimensions give you a clear reference when planning the bed setup: the mattress measures 80 inches long, 76 inches wide, and 14 inches thick. After unpacking, the manufacturer notes that a faint cotton-like scent may be present, airing the mattress for 24–48 hours allows it to dissipate. Its gray color also gives the bed a neutral look that can coordinate with a range of bedroom styles.

Best use cases

This mattress is designed for sleepers looking for medium-firm support, extra attention to the hip and lumbar areas, and less transfer of movement between partners. The pocket coils work independently, while the foam layers provide contouring comfort. That combination suits a shared bed where one person’s movement might otherwise be felt by the other. The extra lumbar foam and enhanced coils are also relevant for people who spend long periods sitting at work and want additional support while they sleep.

Buyer feedback often highlights the comfortable, supportive feel and the gray appearance. Some customers describe the firmness as supportive without feeling uncomfortable, while comments on durability are mixed. These impressions can help set expectations, but the mattress’s documented design features are the clearest guide to whether its feel and construction suit your preferences.

Before you decide

What size is this mattress? It is a King size and measures 80 inches long by 76 inches wide, with a thickness of 14 inches.

What does the hybrid construction include? It combines pocketed coils with multiple foam layers, including a comfort layer, and has a Euro top.

Is it designed to limit movement across the bed? Yes. Low motion transfer is a listed feature, and the independent pocket coils are designed to work separately, helping reduce the movement felt by a partner.

Buying verdict

Choose the UniPon P2503189 if you want a king-size mattress that combines medium-firm support with foam cushioning, pocket coils, and targeted lumbar and hip support. Its low-motion-transfer design is especially useful for a shared bed, while the 14-inch hybrid build brings coil support and contouring comfort together in one sleep surface.