Sirena Ultraflex is NANI's proven "Best Seller" for those seeking uncompromising hygiene and stable support. This 22 cm model combines high-resilience foam with innovative Silver Active Pro fabric, weaving the power of silver ions with the soothing effect of Aloe Vera.
🧮 Custom sizes available on request, priced at 204€ / m²
If the mattress sits inside the bed frame:
Measure the internal bed frame opening (width × length). The mattress and slatted base should fit the inner dimensions perfectly.
If the mattress is placed on a base:
Measure the full size of the base from edge to edge. Choose a mattress with the same dimensions.
If you are tired of mattresses that sag after just a few years, Sirena Ultraflex is your solution. This model is synonymous with durability and is the preferred choice for people who need a firm and secure foundation for their back, combined with the highest standards of cleanliness.
At the base of the mattress lies a dense block of High Elastic Foam. This material is engineered to withstand high loads without deformation, while maintaining the spine in perfect alignment. To avoid excessive firmness upon initial contact, the surface zone is enriched with a layer of Super Soft Elastic Foam, which gently absorbs body curves.
Sirena Ultraflex is not just comfortable; it is healthy. The upholstery contains woven silver threads that release silver ions. This creates a natural barrier against bacteria and odors. Added Aloe Vera microcapsules [ have a soothing effect on the skin and support its regeneration during sleep.
Thanks to the 3D breathable tape along the border and the open structure of the foam, air passes freely through the entire mattress, guaranteeing a dry and fresh environment every night. To maintain these properties, we recommend using a mattress protector.
This mattress is an excellent choice for overweight individuals or active athletes who need stable muscle recovery. Its firmness is balanced yet perceptible. Use it on a slatted bed frame to ensure proper ventilation.
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You are viewing:
Sirena Ultraflex
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⬩ Type
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⬩ Type
Double-sided
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⬩ Type
Double-sided
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⬩ Height
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⬩ Height
22 cm
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⬩ Height
22 cm
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⬩ Memory foam
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⬩ Memory foam
No
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⬩ Memory foam
Yes
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⬩ Core
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⬩ Core
Elastic foam
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⬩ Core
Pocket springs
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⬩ Firmness
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⬩ Firmness
Medium firm
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⬩ Firmness
Soft
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The right mattress depends on how you sleep, what level of comfort you prefer, and how much support your body needs. The most important factor is that your body feels stable, without excessive sinking or pressure. It also matters whether the mattress will be used by one person or two, as well as the size of your bed. A good choice is not just about softness or firmness, but about achieving the right balance between comfort and support.
The right firmness is the one that feels comfortable while still supporting your body properly. Softer mattresses usually provide more contouring comfort, while firmer ones offer a more stable and supportive feel. There is no single “correct” firmness for everyone, as comfort is highly individual. The best mattress is the one that allows you to relax naturally without tension or excessive sinking.
Your sleeping position affects how your body interacts with the mattress. Side sleepers usually need better contouring to follow the body’s curves, while back and stomach sleepers often prefer a more stable and balanced feel. The key is to keep your spine in a natural position without creating pressure points. The right mattress is the one that combines comfort and proper support for your sleeping style.
The right mattress size should match your bed frame or base and provide enough space for comfortable sleep. If you sleep alone, the choice depends on your personal comfort and available space. For two people, a wider mattress usually offers better everyday comfort. It is always recommended to double-check the dimensions before ordering to ensure the mattress fits perfectly.
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