Serta
Serta Classic Zehpyr
Feel is what you notice first. Support is what your body relies on — choose the support system, then everything else.
Quantity
Feel
Firm, Medium and Plush are chosen by range, all at one price — your preference, not your support system. The support architecture stays the same across all three.
- Guarantee & warranty included
- Delivery & setup
- Secure checkout
Why support comes first
Feel is what you notice first. Support is what your body relies on. Every Zen’nZzz’s mattress is chosen support-system first — the engineered structure that keeps your spine aligned and holds its shape, night after night, for years.
Inside this mattress
ENGINEERED BY THE WORLD’S MOST TRUSTED SLEEP BRAND
With over 95 years of expertise, Serta is globally recognised for designing sleep systems that prioritise comfort, support, and long-term wellness. As America’s #1 bedding brand and the official mattress of the National Sleep Foundation, Serta delivers proven sleep technology trusted worldwide. Certified by CASA (Chiropractic Association of South Africa), every mattress is built to support better sleep and overall wellbeing.
POWER COIL SYSTEM (MAXIMUM SUPPORT)
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Exclusive Serta high-tensile steel coil system
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Reinforced posture bars for added stability
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Edge support to reduce roll-off
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Supports up to 150kg per person
Best for: Strong, durable support with reinforced structure
POCKET COIL SYSTEM (UNDISTURBED SLEEP)
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Individually wrapped pocket coils
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Inline tempered steel for enhanced durability
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Reduces partner movement
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Maintains height and structure over time
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Supports up to 140kg per person
Best for: Personalised comfort with minimal motion transfer
MIRA COIL SYSTEM (FULL BODY ALIGNMENT)
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Continuous head-to-toe support system
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Minimises movement across the mattress
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High-tensile steel construction
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Supports up to 150kg per person
Best for: Consistent full-body support and alignment
HIGH-DENSITY PURE FOAM
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Premium foam with no added fillers
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Maintains structure and reduces sagging over time
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Designed for long-lasting comfort and resilience
GEL-INFUSED MEMORY FOAM
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Contours to your body for pressure relief
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Reduces motion transfer between partners
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Helps regulate temperature for a balanced sleep
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Resistant to allergens and micro-organisms
HEALTH & HYGIENE
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Anti-mite and anti-bacterial treatment
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Designed for a cleaner, healthier sleep environment
KEY BENEFITS
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✔ Pressure-relieving comfort
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✔ Proper spinal alignment and support
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✔ Balanced sleep temperature
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✔ Reduced partner disturbance
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✔ Resists sagging and edge roll-off
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✔ Adapts to different body weights
FOUNDATION SUPPORT
This mattress is designed to perform best with a matching base.
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Kiln-dried timber construction
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Reinforced slatted support system
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6-leg structure for added stability
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Enhances durability and lifespan
WARRANTY
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2 Year Guarantee
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8 Year Warranty
How the support systems compare
Firm, Medium and Plush describe feel. They don’t describe how well a mattress supports you. This is how the engineered support systems compare, low to high.
| Feature / benefit | Foam Core | Fibre Pad Core | Bonnell Spring | Power Coil | Pocket Coil | MiraCoil® | Power Pocket | Best of Both™ |
|---|---|---|---|---|---|---|---|---|
| Recommended by our Support-First philosophy | Not recommended | Not recommended | Entry | Recommended | Recommended | Recommended | Recommended | Our highest recommendation |
| Primary purpose | Comfort | Comfort | Basic support | Reinforced support | Adaptive support | Structural support | Reinforced + adaptive response | Structural support + adaptive comfort |
| Long-term spinal alignment | ||||||||
| Pelvic & lumbar support | ||||||||
| Even weight distribution | ||||||||
| Support consistency over time | ||||||||
| Edge-to-edge structural stability | ||||||||
| Motion isolation | ||||||||
| Airflow & ventilation | ||||||||
| Moisture management | ||||||||
| Durability of the support core | ||||||||
| Suitable for higher body weights | ||||||||
| Core feel influence | ||||||||
| Pressure redistribution | ||||||||
| Foundation for premium mattresses |
A qualitative comparison of support-system design, assuming comparable mattress quality. Comfort layers, materials and overall construction also influence real-world performance. “Recommended” reflects the Support-First philosophy, not a judgement of any individual mattress.
The pinnacle: Best of Both™
MiraCoil® for structural alignment and edge-to-edge stability, Pocket Coil for contouring and pressure relief — combined in a single engineered system, always paired with Universal Feel™.