Explore extra‑firm mattresses for maximum... Read More
Explore extra‑firm mattresses for maximum lift, minimal sink, and strong edge support—great for back & stomach sleepers and heavier bodies.
Read Less– 800 Edition Custom Support Coil System
– 3 Zone Body Support
– Cool Twist® Gel Memory Foam + Serta® Support Gel Foam
– Serta® Anti-Microbial Fibre Technology
– Serta® Best Edge® Foam Encasement
– Designed and Made in Canada
Prefer a flat, ultra‑supportive feel? Our extra‑firm mattresses deliver maximum lift with minimal contouring—ideal for back and stomach sleepers, those who want easier movement, and anyone who prefers a no‑hug surface. Typically rated around 8–10/10 on the firmness scale, these beds help keep hips elevated for stable alignment while using thin comfort layers for light pressure relief.
Who extra‑firm suits
Back & stomach sleepers seeking a flatter, more stable surface
Heavier bodies that benefit from stronger pushback and durability
Hot sleepers who prefer taut surfaces with better airflow
Shoppers who want pronounced support with minimal sink
Popular builds & features
Hybrid/innerspring designs with pocketed coils for airflow, support, and motion control
High‑density foam or firm latex comfort layers for resilient lift
Zoned or lumbar reinforcement for targeted stability
Cooling upgrades like breathable covers, gel infusions, and ventilated cores
Reinforced edges to maximize usable sleep surface
Use filters to narrow by size, materials (hybrid, foam, latex), cooling, height, edge support, motion isolation, price, and sleep position. Note: feel varies by body weight—some sleepers experience softer or firmer than labeled—so compare specs and reviews to find the best extra‑firm mattress for your needs.
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