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

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Ours came with an rv king but we put a regular zinus memory foam king and it fit fine. A bit longer at the feet but doable. And way more comfortable.
Another vote for zinus. I bought an Amazon basics mattress for my guest bed and I regret it. It's comfy but the zinus is more comfortable.
I got a Zinus memory foam mattress about 7 years ago for $200 from amazon and its still going strong. No major sagging or signs of wear, I'm honestly impressed
Try the zinus memory foam mattress from Amazon. I bought it like 5 years ago and it still has the same firmness and is even across.
I just bought a Zinus memory foam after reading multiple positive reviews and I love it.
I love zinus. Have had it for three years. Glad to hear yours is still going strong!

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