REGOSS Extra Firm King Hybrid Mattress, 12-Inch, 5-Zone Support

At 12 inches thick, this extra-firm king mattress combines gel memory foam with individually wrapped pocketed coils in a seven-layer hybrid design. Its 5-zone support system is intended to provide targeted support for the back, lumbar area, and hips, while the Euro top adds a finished layer to the sleep surface. The king size measures 80 inches long by 76 inches wide.

The ice-silk-infused cover has a cool-to-the-touch feel and is designed to wick moisture and promote breathability for a more comfortable sleep surface.

The essentials

This mattress pairs foam comfort layers with 900 pocketed coils, giving shoppers a hybrid alternative to an all-foam design. Because the coils move independently, the construction helps limit motion transfer across the bed—a useful feature when one person shifts or gets up while another is sleeping. The five support zones focus on the back and hip areas, and reinforced perimeter coils add stability near the edges for sitting down or sleeping closer to the sides.

Its extra-firm feel suits shoppers who prefer a more supported surface. The cover is fiberglass-free, and the foams are listed as CertiPUR-US and OEKO-TEX certified. A 365-night home trial is also offered, giving buyers an extended period to try the mattress in their own bedroom.

Everyday use

The combination of a breathable, cool-feeling cover and gel memory foam makes this design relevant for sleepers who want cushioning with a firmer foundation. In a shared bed, the pocketed-coil construction is designed to keep movement more localized, edge support can also make it easier to sit on the side when getting ready for the day. The king dimensions provide a broad sleep surface for a primary bedroom.

Buyers often describe the mattress as comfortable and appreciate its firm feel and back support. Some also mention that it is easy to move across. Perceptions of firmness can differ, so these comments are best read as individual experiences rather than a promised result.

Who it’s for

This REGOSS hybrid is designed with back and stomach sleepers in mind, especially those seeking extra-firm support around the hips and lower back. Couples may value the motion-isolating pocket coils, while sleepers who tend to feel warm may appreciate the cover’s cool-touch, moisture-wicking design. You’ll appreciate it if you want the cushioning of foam paired with a zoned coil base rather than an all-foam mattress.

Buying verdict

Choose this king mattress when the priorities are an extra-firm feel, targeted support, and a hybrid build that combines foam with individually wrapped coils. The five-zone layout, reinforced edges, and cooling-touch cover each serve a practical purpose, making it a considered fit for a shared bedroom or for sleepers looking for a firmer surface with foam comfort layers.