Silentnight Plant Based 1200 King Size Mattress
The Silentnight Plant Based 1200 is a medium feel pocket spring mattress with a difference: its comfort layers use bamboo, kapok, flax and aloe vera rather than the usual synthetic fillings, and Silentnight states the mattress is foam free.
- Foam-free plant fibre comfort
- Breathable surface stays cool
- 60-night trial & 5-year guarantee
£819
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Silentnight Plant Based 1200 Mattress
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Mattress details
Mattress
Silentnight Plant Based 1200 Mattress
Size
Firmness
Medium
Construction
Foam
Pocket Spring
Memory Foam
Depth (cm)
26
Layers
4
Layer Details
Breathable Tencel™ Lyocell sleep surface
A silky, soft touch fabric woven to allow airflow and move moisture away from you as you sleep, which means the surface feels naturally cool rather than clammy. A helpful start if you tend to overheat at night.
Platinum comfort layer
Silentnight describes this as ten times more breathable than memory foam while offering the same pressure relief. In practice that means a cocooning, cushioned feel without the heat build-up memory foam is known for.
Plant Based Comfort Layer
A blend of bamboo, kapok, flax and aloe vera, sustainably sourced and designed using Silentnight's sleep research. This is where the mattress gets its natural credentials, replacing synthetic fillings with plant fibres.
1200 Mirapocket® springs
The 1200 individually pocketed Mirapocket springs respond to your body independently, which means better spinal alignment and less disturbance from a partner's movement.
Layer details from silentnight.co.uk product page, September 2026.
Key benefits
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