Read on Mobile Enter Reading Mode

Sleepmax King Size Mattress Only $299.xx (Reg. $600) at Amazon

Posted on November 11, 2026

by Stacy

$499.xx ~~$600~~ Save 17%

at Amazon

Get Deal at Amazon →

We may earn a commission when you buy through our links, at no extra cost to you.

Free instant alerts — no login needed

What you’ll love about the Sleepmax King Size Mattress 14 Inch

PAIN RELIEF & MOTION ISOLATION – Combining the supportive benefits of coils with the softness of premium foam, Sleepmax Mist helps align the spine, evenly distributes body weight, and relieves pressure points for deep…
BALANCE OF COMFORT & SUPPORT – With a deluxe Euro top, pressure-relieving foam layers, and a durable base reinforced with pocketed coils, Sleepmax Mist delivers a just right feel that suits back, side, and combination…
NON-TOXIC MATERIALS & SKIN-FRIENDLY – Sleepmax Mist is crafted using CertiPUR-US and OEKO-TEX Standard 100 certified materials, free from fiberglass and harmful substances. It complies with CFR1633 fire safety regulat…
ENHANCED SAFETY & EXTENDED LIFESPAN – Built with sturdy edge support to prevent sagging and improve structure, Sleepmax Mist enhances safety by reducing the chance of roll-off during sleep. Reinforced edges also prote…
ABOUT SLEEPMAX – With over 40 years of sleep innovation, Sleepmax includes a lifetime service agreement with every mattress-in-a-box purchase, reflecting our commitment to reliable quality and long-term customer care.

The Sleepmax King Size Mattress 14 Inch is now $299.xx at Amazon, down from $599.xx—a solid 50% discount. This cooling hybrid bed in a box combines memory foam and coil support, making it a practical pick for back and side sleepers who want relief without the premium price tag.

Why This Deal Is Worth Grabbing

At half off, you’re getting real value here. The 14-inch hybrid construction pairs cooling gel layers with supportive coils to reduce pressure points and promote spinal alignment—key for anyone waking up sore. The mattress arrives compressed in a box, so no delivery logistics nightmare.

365-Night Trial: Sleep on it risk-free for a full year before deciding to keep it.
Forever Warranty:
Cooling & Support: Hybrid design prevents heat buildup while maintaining firm support for back and side sleepers.
CertiPUR-US & Fiberglass-Free: Made without harmful chemicals or cheap fiberglass covers—safer materials matter.

How to Get This Deal at Amazon

Tap the SHOP HERE button above to open the product page on Amazon.
Confirm the king size is selected and add it to your cart.
Proceed to checkout and complete your order to lock in the $299.xx price.

Smart Buying & Price Context

A 50% discount on a king mattress with a 365-night trial and lifetime warranty is exceptional. Most hybrid mattresses at this price point skip the long trial or offer limited warranties, so this combination signals genuine confidence in the product. If you’re replacing an old mattress or upgrading from a budget option, the cooling tech and dual-comfort design make this a smart move.

Amazon Prime members get free two-day shipping on most orders. Since mattresses ship compressed in a box, there’s no hefty delivery fee to factor in—another reason the $299.xx price point is competitive right now.

Frequently Asked Questions

What’s the 365-night trial?

You have a full year to sleep on the mattress and decide if it’s right for you. If you’re not satisfied, Amazon and the seller typically process returns within that window—an unusually generous window that gives you real time to test it out.

Does the forever warranty cover sagging?

The forever warranty covers manufacturing defects. Sagging from normal use after the warranty period is typical wear, but the lifetime coverage protects you against premature foam breakdown or structural failure—better than the standard one- to two-year warranty you’ll see elsewhere.

Is this mattress good for hot sleepers?

Yes. The hybrid construction includes cooling gel layers designed to dissipate body heat better than all-foam mattresses. Side and back sleepers especially benefit from the combination of pressure relief and airflow through the coil layer, though individual sleep temperature varies.

This Sleepmax king mattress at $299.xx is a rare opportunity to grab a feature-rich hybrid bed with real consumer protections at half price. Browse our Health Essentials section for more deals on sleep and wellness products.

Join our WhatsApp channel for kids’ deals, fashion deals, and other crazy deals.

Download our mobile app for hot deal notifications.