Foam World
Amethyst Super Firm Mattress Foam World
Amethyst Super Firm Mattress Foam World
100-Night Trial
Free Shipping & Returns
10-Year Limited Warranty
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100 Day, 100% Comfort Guarantee
100 Day, 100% Comfort Guarantee
To ensure the best sleep experience, we have worked with our vendors to provide a comfort guarantee on most of the brands that we carry. If you are not satisfied with your original mattress after 30 days of use, simply contact us to begin the process for your one-time comfort exchange. Read the details here.
Lifetime Price Guarantee
Lifetime Price Guarantee
Our Lifetime Price Guarantee: If you see a lower advertised price at any of our local competitors during the lifetime of your mattress*, we’ll match it, plus 50% of the difference.
Dimensions
Dimensions
Dimensions
SizeWidthLengthHeight3ft Single90cm190cm4ft Compact Double122cm190cm4ft6 Double137cm190cm5ft King152cm200cm6ft Superking183cm200cm
This product is handmade. Please allow up to 2 -3 cm variance in dimensions.
Free Shipping & Returns
Free Shipping & Returns
Your mattress will be delivered straight to your door for free, full-sized and ready to sleep on. And if you decide it’s not the one, we’ll collect it at no cost to you as part of our 100-night free trial.
- Description
- Reviews
Built for those who prefer extra-strong support, the Amethyst Super Firm Mattress delivers exceptional spinal alignment and long-lasting comfort. Designed to reduce body sink and maintain a stable sleeping surface, it is ideal for back and stomach sleepers.
Why you’ll love it
- Super firm feel for maximum back support
- Helps maintain natural spine posture
- High-density foam for durability and shape retention
- Minimizes motion transfer for undisturbed sleep
- Ideal for people with back discomfort or firm sleep preference
Wake up feeling supported, balanced, and refreshed every morning.
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Frequently Asked Questions
Delivery is free for mainland customers.
Delivery is free for mainland customers.
Delivery is free for mainland customers.
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