Extra Firm King Mattresses

King

Sleep luxuriously with Beautyrest Silver BRS900 mattress. Featuring Beautyrest’s innovative 900 Series Pocketed Coil technology, the Silver BRS900 mattress provides superior support from its base up. Sleep distraction-free with this support layer, designed to isolate motion between partners, and stretch out comfortably with the BeautyEdge layer’s edge-to-edge support. The Gel Memory Foam Lumbar Support layer provides pressure-relief where you need it most, and the DualCool moisture-wicking technology ensures you wake feeling refreshed. The Silver BRS900 is crafted to optimally support your body for a comforting, cooling sleep. Its innovative features, paired with the mattress’s clean, modern design, package perfectly together for a luxury sleep experience, night after night

Best Sleep Ever! With my new mattress. Bridget. Florence, AL. Mon Jun 30 2025

King, Standard Profile (9")

Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come.

Best Sleep Ever! With my new mattress. Bridget. Florence, AL. Mon Jun 30 2025

King

Beautyrest Silver® is engineered to provide consistent comfort over the life of your mattress so that your sleep will be every bit as restful years from now as it is today. The product features a coil design that provides flexible support precisely where it is needed while isolating motion, an active premium foam layer that conforms to your shape, and a Dual Cool cover designed to keep your mattress fresh, cool, and comfortable.

The mattress is very comfortable and the delivery speed and quality was top notch. Wayfair had also the best price and delivery compared to other sellers. Regarding the mattress quality, I will update my review in the coming months if there’s any issues. Overall, very happy with my purchase.. Samaneh. Northbrook, IL. Sun Jun 15 2025

King

Elevate Your Sleep with Bold Design & Uncompromising Support  Designed for discerning sleepers who crave durability, style, and ergonomic precision, the BlackTech Firm Hybrid Mattress redefines comfort with its unique combination of premium materials and Asian-inspired firmness. Unlike ordinary white mattresses, this sleek black masterpiece delivers targeted support for back health while making a striking visual statement in any bedroom.  Ideal For: Asian households preferring firmer sleep surfaces Individuals with chronic back pain or spinal issues Lightweight and plus-sized sleepers needing edge stability Modern homeowners seeking a bold aesthetic upgrade  *Mattress firmness is highly subjective – individual preferences vary based on body weight, sleep position, and prior mattress experience. While our 8.5/10 firmness is ideal for back sleepers and those seeking orthopedic support, some lightweight side sleepers may find it too firm, while strict firmness enthusiasts may desire even more rigidity. We recommend checking customer reviews or contacting sleep experts to determine if this level aligns with your needs.*

Excellent mattress! The comfort level and accuracy of description are very impressive! I would recommend highly.. Shawn. New York, NY. Sun Jul 06 2025

King

Experience the best of Beautyrest, featuring advanced temperature management technology, premium foams, and advanced, Triple-Stranded Pocketed Coil Technology for conforming support and motion separation. With the inclusion of premier materials and advanced sleep technology, the Beautyrest Black Collection optimally aligns at the intersection of luxury and innovation for an extraordinarily comfortable sleep.

Extra firm and great back support. Scot R. Fri Jun 20 2025

King

The flippable Plank Luxe is designed to be the firmest mattress on the market—pairing all of the benefits of the original Plank with the additional responsiveness and pressure point relief of individually encased coils. Put simply, the construction of the Plank Luxe creates a more comfortable sleep surface for both sleep partners. Both the firm and extra-firm sides are offered with optional cooling panels for the ultimate sleep experience.

The ability to flip the mattress and have an extra firm side is what sold us on the mattress. The softer side is still firm with a little give.. Chelsea. Seattle, WA. Tue Aug 15 2023