
Brooklyn Bedding
Signature Hybrid
Durable, comfortable, adjustable firmness; excellent value.

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At 450 lbs, sag usually comes from foam giving up, not the coils, so you want a build that’s clearly engineered for higher loads. Mattresses made for bigger bodies, like the Leesa Plus Hybrid, use thicker gauge coils and denser comfort layers so the surface doesn’t compress unevenly after a year. That combo helps keep the spine aligned for back and side sleeping while still taking pressure off shoulders and hips.
I'm also plus size and during my mattress research, you definitely want to go with a hybrid. A lot of memory foam mattresses aren't built to handle higher weights and then you bottom out into the non comfort layers and it can be really uncomfortable. Besides a hybrid, you want to look for something that is rated to hold your combined weights. You also want to look for strong edge, preferably 8 inch coils, and a coil gauge that is 13-12. 14 could be ok if it's a zoned mattress. It's also good to look for high density foams or even latex for the comfort layers. A lot of plus size mattresses tend to be on the firm side, so be sure to look at the firmness rating from the manufacturer. Personally, I decided to go away from the S brands because the components weren't as heavy duty as I wanted. I wanted to go for longevity over a softer feel up front. Wherever you buy, be sure to look through the warranty information. Some stores and manufacturers will void a warranty if they say you weigh too much. Which is pretty unfair IMO if the mattress is supposed to be able to handle that much weight. I decided to go with the Leesa plus with a topper since I wanted a more memory foam feel, but still have good support. I've had it about a week and I'm still undecided. But, whatever mattress you get, it can take 4-6 weeks to fully break in a mattress.
I have a Leesa Plus and I like it. Wait for a sale or check out sites like nap lab for discount codes. Their reviews are hit and miss, especially since they don't have any actual plus size people test the mattresses, though.
Foam-only beds usually trap heat, no matter what the brand says. If you both run hot, you’ll want a hybrid with coils since they breathe better. Leesa has a model called Oasis Chill that’s designed for hot sleepers with copper foam and a cooling cover. If you also need more support, the Plus is built stronger but still keeps airflow in mind. I’ve seen customers go from waking up sweaty every night to actually sleeping through after switching to one of those. With your budget you’d be fine trying one of their higher-end hybrids, and since they come with a trial you can see if it really helps before fully committing.
My son is a big guy (6'3" and probably around 250). He needed a bigger sized mattress when his girlfriend moved in so I suggested the Leesa Plus sized Hybrid. We have the original Leesa hybrid mattress and absolutely love it. He took my advice and they both rave about it. He bought the queen size and when they move to a bigger place, they are going to get a King.
We have a Leesa hybrid mattress and love it. My son and his girlfriend have the same thing, except it's the one made for heavier people and they love it too. We were able to test it out at the West Elm store that's in the shopping center across from South Coast Plaza, if that helps
My son is a big guy (6'3" and probably around 250). He needed a bigger sized mattress when his girlfriend moved in so I suggested the Leesa Plus sized Hybrid. We have the original Leesa hybrid mattress and absolutely love it. He took my advice and they both rave about it. He bought the queen size and when they move to a bigger place, they are going to get a King.
We have a Leesa hybrid mattress and love it. My son and his girlfriend have the same thing, except it's the one made for heavier people and they love it too. We were able to test it out at the West Elm store that's in the shopping center across from South Coast Plaza, if that helps
I'm a larger person (around 295 lbs), and I've tested out quite a few mattresses built to support additional weight without sagging. You mentioned the Titan, and that is one of my favorites. Since you both sleep on your back and side, the Titan Plus Luxe would be better. I would also check out the Leesa Plus Hybrid mattress. It's also built for our weight range, but it still offers good pressure relief for side sleeping. The WinkBed Plus is durable and supportive too, but I found it to be a bit too firm for side sleeping.
I am 6'7" and weigh around 300 lbs, and I was also a fan of the Titan Plus Luxe. But, if it's not working for you anymore, I can offer a few other options I like for a big and tall mattress. First off, I do like the Saatva HD but, in my experience, it is on the firmer side (definitely much firmer than the Titan Plus Luxe). I didn't get the best pressure relief for side sleeping myself. For side sleeping and extra support at the same time, I'm more a fan of the Helix Plus Luxe and the Leesa Plus Hybrid as well.
Yeah if you truly want something on the firm end, most firm spring beds still have contouring and that can read softer than you expect. The Plank Firm is unusual with two firmness sides, so flipping can let you experiment, but it still uses a fair amount of softer foams layered over coils so it never feels \*rock hard\* like some people want. For a firmer feel that’s genuinely noticeable, the Leesa Plus Hybrid is built with extra support and denser foams paired with a robust coil base, it’s aimed at folks who want a solid surface and less sink while still avoiding a lumber-yard board.

Brooklyn Bedding
Signature Hybrid
Durable, comfortable, adjustable firmness; excellent value.

Sleep EZ
Organic Latex Mattress
Highly customizable layers, durable; but extremely heavy.

Helix
Midnight Luxe
Pain relief, side sleeper support; but some find too soft.

Purple
The Purple Mattress
Unique grid feel, cool; but heavy, expensive, polarizing.

Brooklyn Bedding
Aurora Luxe Cooling
Excellent cooling, zoned support for heavier sleepers.

Ranked #1
Novaform - Platinum 16.5" Luxury Hybrid Mattress

Ranked #1
Brooklyn Bedding - Titan Plus Luxe

Ranked #1
Purple - The Purple Mattress

Ranked #1
Sleep EZ - Organic Latex Mattress

Ranked #1
Helix - Midnight Luxe

Ranked #1
Sleep EZ - Organic Latex Mattress