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• FusionCool™ natural-fibre top layer
• Double layer of graphite-infused Simbatex® foam
• 7,300 springs across three support systems
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✓ Kapok, wool, bamboo and charcoal support breathable comfort
✓ Open-cell Simbatex® foam promotes airflow and heat dissipation
✓ Purelift™ latex and coconut fibres add flexible support
✓ Three spring systems contour the body and limit motion transfer
✓ Zip-off Stratos® cover supports cooler, fresher sleep
Experience Simba's carefully engineered sleep support with the Simba Hybrid® Ultra Mattress. Responsive springs and cushioning comfort layers work together for body-contouring support and a fresher-feeling mattress.
The Simba Hybrid® Ultra Mattress combines kapok, wool, bamboo and charcoal in its FusionCool™ top layer. Two open-cell, graphite-infused Simbatex® foam layers promote airflow and heat dissipation, with Purelift™ latex and coconut fibres adding flexible support.
Three systems provide 7,300 springs across the mattress: titanium and high-carbon-steel Aerocoil® layers above a SupportCore™ base. Together they contour the body and limit motion transfer, while a zip-off Stratos® cover supports a fresher surface.
Breathable knitted cover (fibre percentages not specified); kapok, bamboo and wool comfort layers; Simbatex® foam and pocket springs
Mattress Toppers & Protectors Guide ↗
Not sure where to start? Explore our expert buying guides to discover the perfect fabrics, fillings, comfort levels and sleep essentials for a better night's sleep.
We love Simba’s distinctive Hybrid® engineering, which pairs responsive Aerocoil® microsprings with cushioning, breathable Simbatex® foam and targeted support. Its attention to temperature management and material innovation gives shoppers clear alternatives to conventional all-foam mattresses.