12" Thick King Mattresses

King

This 12-inch medium memory foam mattress is designed to provide you with a cooler, more comfortable night's sleep. It features three layers of foam, including a top layer infused with CopperChill technology that helps regulate temperature and wicks away moisture. The middle layer offers adaptive support that conforms to your shape, distributing your weight evenly to relieve pressure points so you wake up feeling refreshed. Plus, this mattress comes with a removable, machine-washable cover for easy care.

Incredible buy. Very comfortable. You just sink into dreamland.. Lydia. Philadelphia, PA. Tue Jul 08 2025

King

Sealy was among the first to create the hybrid, pairing the best qualities of innerspring and memory foam mattresses to deliver best-of-both-worlds comfort. Carefully engineered coils adapt and support every part of your body, while specialty foams conform and cushion for your most comfortable night’s sleep. Our classic Sealy Cool collection is engineered for a great night’s sleep, delivering trusted Sealy quality at an affordable price. Your mattress comes compressed in a box, combining Sealy quality with the convenience of easy transportation.

This mattress is straight up sent from heaven. It hugs my body in whatever weird way I lay on it. It’s so so so soft but firm enough to support me. WF wasn’t playing around on the shipping with it either! I ordered Sunday evening, it shipped Monday, and was at my door Tuesday morning! BUY THIS MATTRESS!!. Anonymous. Mon Jun 30 2025

King

Sealy foam mattresses use a combination of advanced foams to deliver custom body-hugging support for every part of your body. The carefully layered foams conform to your shape, distributing your weight evenly to relieve pressure points so you wake up feeling refreshed. The classic collection is engineered for a great night’s sleep, delivering trusted Sealy quality at an affordable price. Your mattress comes compressed in a box, combining Sealy quality with the convenience of easy transportation.

The mattress it’s very comfortable. Only have 3 hours and look. My son love it. I truly recommend. Yoelis. Hawthorne, NJ. Mon May 19 2025

12", King

Sleep Safer. Sleep Healthier. Sleep Better. Your family's safety and comfort come first—that’s why this mattress is built with materials certified by CertiPUR-US®, OEKO-TEX®, and SGS flame-retardant standards. That means: no harmful chemicals, no skin irritation, and no fire risks—just clean, breathable, hypoallergenic comfort you can trust. Whether it’s for your master suite, guest room, or growing kids, this mattress offers the kind of peace of mind you deserve—every night, for years to come. See it in action：check out the video in the image gallery and explore more product details that show why this mattress stands out in comfort, support, and design.

I didn't have high hopes for this but quite honestly, for the price I was surprised and happy. There are NO VOC's, which is a big one for me. It is also comfortable once fully expanded and it serves it's purpose wonderfully as a guest bed. Dena. CO. Thu Jun 12 2025

12, King

This gel memory foam mattress offers medium support with a tight top design, making it a great choice for those who prefer a stable sleeping surface. Crafted from gel memory foam, it features cooling technology to help regulate your temperature throughout the night. The mattress is compatible with adjustable bed bases, providing flexibility for your sleeping setup. With its low motion transfer, you can enjoy a peaceful sleep even if your partner tosses and turns. This memory foam mattress is compressed and rolled into a box for shipping. Once unpacked, it may require 48-72 hours to fully decompress.

Great product! Just open and give it a day or so and its perfect. Kari. Eagan, MN. Tue Jul 08 2025