SLEEP100 SYN2333042 Queen Hybrid Mattress, 12-Inch Medium-Firm, Cooling, Fiberglass-Free

Some sleepers want a more supportive, level feel, while others prioritize cushioning that contours around the shoulders and hips. The SLEEP100 SYN2333042 is a 12-inch Queen hybrid with a medium-firm designation, gel memory foam, and pocketed coils, bringing those needs together in one mattress. Its five-zone design highlights extra lumbar and shoulder support, and a breathable cooling fabric adds a smooth surface feel.

For a Queen-size bedroom setup, it combines a familiar standard mattress size with a hybrid construction and a fiberglass-free design.

Tech specs

• Brand and model: SLEEP100 SYN2333042
• Size: Queen (U.S. Standard)
• Dimensions: 80 in L × 60 in W × 12 in thick
• Construction: Hybrid with pocketed coils
• Comfort layer: Gel memory foam
• Firmness: Medium firm
• Top style: Euro Top
• Cover material: Polyester
• Weight capacity: 750 pounds
• Design features: Breathable cooling fabric and five-zone support, with extra lumbar and shoulder support
• Product support: 365-night home trial and lifetime warranty

The foam-and-coil combination gives shoppers a different approach from choosing a mattress built around foam alone: gel memory foam provides a contouring comfort layer, while pocketed coils form part of the hybrid support system. The medium-firm label offers a useful starting point, though perceived firmness can vary with body weight and sleeping position. The manufacturer describes a firmer feel for sleepers under 130 pounds, more cushioning between 130 and 230 pounds, and more contouring above 230 pounds. It also notes that back sleepers may notice an even feel, side sleepers more cushioning, and stomach sleepers a flatter feel.

Practical tips

The Queen (U.S. Standard) size makes this mattress a fit to consider for a bedroom arranged around a Queen-size sleeping surface. Its stated dimensions—80 inches long, 60 inches wide, and 12 inches thick—help with planning the bed area and surrounding space. For shoppers comparing firmness, think about whether a more level feel or deeper contouring better matches the way you sleep, the construction and firmness guidance can help frame that choice.

Buyer feedback is favorable about firmness, edge support, and comfort, with some customers describing the mattress as very firm. Reports about fit are mixed: some say it matches their bed frame well, while others say it does not stay in place. Those differing impressions are useful context when considering how the mattress may work in a particular bedroom setup.

How to use it

Set it up as the main sleeping surface in a Queen-size bedroom. The hybrid construction and five-zone design are intended to bring together contouring comfort and support, with added attention to the lumbar area and shoulders. The breathable cooling fabric is designed to promote airflow and provide a cool, smooth touch, making it a relevant feature for shoppers who want a sleep surface with a cooler feel. The fiberglass-free construction is another clear point of distinction for customers seeking that specification.

Is it worth it?

This mattress brings several practical buying considerations into one Queen-size option: a 12-inch hybrid build, gel memory foam, pocketed coils, a medium-firm designation, and a cooling, breathable cover. The five-zone support focus adds a specific lumbar and shoulder emphasis rather than relying on firmness alone to describe the feel. It makes sense if you want a fiberglass-free hybrid with a standard U.S. Queen footprint and value both contouring comfort and coil-based support. The 365-night home trial and lifetime warranty are additional stated purchase-support features.