Beautyrest Black® Series Two 14.25" Firm Mattress

The honest verdict: the Series Two Firm is firm support with the Series Two upgrades layered in. At about a 7 out of 10 it keeps your hips lifted and your spine level the way back and stomach sleepers need, but it sleeps cooler and contours a little more kindly than the Series One firm options, thanks to enhanced cooling and a deeper comfort layer. If you want a genuinely firm Beautyrest Black but don't want it to feel hard or hot, this is the one to try.

What you notice in the first few minutes

Lie down and the first thing you feel is that you are on top of the bed, not sinking into it. The comfort layer is measured on purpose: a Sleep Climate quilted surface over Beautyrest Gel Memory Foam, just enough to take the edge off without burying you. Under that, the firm-tuned Triple-Stranded Pocketed Coil core pushes back and holds your hips up so your spine settles level. That is the Series Two firm feel.

What it's made of, and what that does for you

• A firm 7/10 feel. Supportive and on-top (hips lifted, spine level) without the hardness of an extra-firm bed.
• The Series Two cooling step-up. Enhanced cooling over Series One, so a firm surface that sits you closer to the materials stays comfortable through the night. The Sleep Climate quilting and gel foam sit over a coil core that breathes more than an all-foam bed.
• Triple-Stranded Pocketed Coil core. Individually-wrapped coils tuned firm for support, with Black's signature motion separation.
• A 14.25-inch build. Substantial for a firm bed, with a measured comfort layer over the support core. Measure against your frame and budget for the height when you buy sheets.
• Premium Black build, 10-year warranty. Firm support, upgraded cooling, top-line coils, on CertiPUR-US certified foams.

Who it suits, and who it doesn't

This is a back and stomach sleeper's firm bed. On your back, the firm coil support keeps the spine level with enough cooling to stay comfortable all night. On your stomach, the firm feel keeps your hips from sagging and your lower back from arching, the position most punished by a bed that is too soft. And if you like firm but have slept hot on firm beds before, the cooling step-up is aimed squarely at you.

• Side sleepers. A 7/10 firm will press on your shoulder and hip; a medium or plush Black is the better fit for you.
• If you want the most accessible firm Black. The Series One Firm Pillow Top delivers firm support at the entry tier.
• If you want the firmest possible feel. The Series One Extra Firm goes harder; this Series Two firm trades a little of that for cooling and comfort upgrades.

Living with it over time

The pocketed coils carry a quiet advantage night after night. Because each coil moves independently, a partner shifting or climbing in late barely crosses the bed, so motion separation stays strong even in a firm build. It is also compatible with an adjustable base, so you can pair the firm support with head-and-foot positioning if you read, watch, or like your legs raised.

Why buy it from Mattress Overstock

Whether a firm bed sleeps cool and supportive, or just hard, is something you settle lying down, not from a picture on a screen. Mattress Overstock has been locally owned and serving Kentucky since 2012, with five showrooms you can walk into with no appointment: Lexington (on Nicholasville Road), Georgetown, Somerset, London, and Richmond. Come feel the Series Two Firm beside the Series One firm models so you can feel exactly what the cooling step-up adds. Select your size to see the live Mattress Overstock price.

You get a 100-day comfort guarantee; if it's not right, you exchange it for store credit toward any bed of equal or greater value. No cash refund, but no restocking-fee games either. Free local delivery, free setup, and old-mattress haul-away. And no one on the Mattress Overstock floor earns more for steering you up a tier, so the guidance is honest whichever brand you choose. Compare the firm options across tiers in the full Beautyrest Black lineup.