Filter

Size
Material
Brands

Flex Ultimate Mattresses

Discover the premium collection of Flex Ultimate Mattresses at Colchón Exprés. Designed with advanced sleep technologies, these mattresses provide exceptional comfort, ergonomic support and healthier sleep every night.

Flex Ultimate mattresses stand out for their breathable fabrics, pressure-relieving comfort layers and innovative temperature regulation systems. Their premium materials help improve airflow, hygiene and body adaptability for a fresher and more restorative sleep experience.

Explore our range of Flex Ultimate mattresses online and enjoy exclusive offers, fast delivery and premium comfort with one of Flex’s most advanced collections.

5 Item(s)

  1. Flex Nube Foam Mattress

    50%

    DTO.

    try it 100 nights

    Best Selling Flex Mattress in Spain

    Colchón Flex Nube Visco

    Buy your mattress together with the Flex Madera 25 Storage Bed and enjoy an extra 10% off

    Breathability
    Firmness

    See reviews

    • Best-selling mattress in Flex history
    • Comfort layers: Combination of hypoallergenic fibres and high-density memory foam for progressive comfort.
    • Feel: Medium-high feel.
    • Core: Pocket Premium® pocket spring system designed for sleeping independence.
    • Reinforced perimeter support: High-density foam edge support for greater stability and durability.
    • Commodo+® System: High-density foam layer that improves adaptation to the body.
    • Confort System®: Exclusive Flex technology placed above the spring block for optimal pressure distribution.
    • Excellent sleeping independence: Designed to reduce movement transfer between sleepers.
    • Optigrade® System: Stretch fabric treatment for better temperature and humidity regulation.
    • Side handles: 4 handles for easier handling.
    • Height: +/- 30 cm

    save 50% - was €904.00

    €452.00 iva incluido.

    Pay in up to 36 installments of €12.56/month INTEREST FREE! (+ info)

    Free shipping

  2. Flex Nimbus Foam Mattress

    55%

    DTO.

    try it 100 nights

    Best Quality-Price Flex Mattress

    Colchón Flex Nimbus

    Buy your mattress together with the Flex Madera 25 Storage Bed and enjoy an extra 10% off

    Breathability
    Firmness

    See reviews

    • Excellent value Flex mattress
    • Double comfort layers: hypoallergenic fibres combined with gel memory foam for breathable and adaptive comfort.
    • Feel: Medium-high feel.
    • Core: Pocket Premium® Pro pocket spring system designed for ergonomic support and sleeping independence.
    • Commodo+® system: comfort layer designed to distribute body weight evenly across the sleep surface.
    • Excellent sleeping independence: minimises motion transfer between sleepers.
    • Reinforced perimeter support: HR foam edge reinforcement for greater stability and durability.
    • Confort System+®: high-density foam layer designed to improve pressure relief and weight distribution.
    • Free delivery, installation and old mattress removal
    • Height: +/- 33 cm

    save 55% - was €1,032.00

    €464.40 iva incluido.

    Pay in up to 36 installments of €12.90/month INTEREST FREE! (+ info)

    Free shipping

  3. Flex Palace Foam Mattress

    55%

    DTO.

    try it 100 nights

    Best Classic Spring Mattress

    Colchón Flex Palace

    Buy your mattress together with the Flex Madera 25 Storage Bed and enjoy an extra 10% off

    Breathability
    Firmness
    • Classic Flex spring mattress
    • Gel memory foam comfort: adaptive comfort layer designed to respond progressively to body pressure.
    • High feel: firm and stable support with excellent adaptability.
    • Core: Multielastic® NxT spring system with double continuous springs for improved body support.
    • Commodo+® technology: high-density foam layer designed to improve body contouring and comfort.
    • Optigrade® treatment: thermoregulating technology that helps regulate temperature and humidity.
    • Stretch fabric cover: soft-touch breathable fabric with hygienic properties.
    • Flex Ultimate Collection
    • Free delivery, assembly and old mattress removal

    save 55% - was €1,032.00

    €464.40 iva incluido.

    Pay in up to 36 installments of €12.90/month INTEREST FREE! (+ info)

    Free shipping

  4. Flex Garbí Foam Mattress

    50%

    DTO.

    try it 100 nights
    Colchón Flex Garbí Visco

    Buy your mattress together with the Flex Madera 25 Storage Bed and enjoy an extra 10% off

    Breathability
    Firmness
    • Upholstery: High-density gel memory foam, panel-stitched on both faces with hypoallergenic fibre fill
    • Firmness: Medium
    • Core: Reinforced AirVex® NxT moulded foam with COMMODO+® system for superior elasticity, adaptive comfort and even pressure distribution
    • 7 differentiated firmness zones for precise body adaptation across the full sleep surface
    • Ventilation channels: Horizontal and vertical channels throughout the core for enhanced internal airflow
    • Optigrade® treatment: Applied to the hypoallergenic Stretch outer fabric for active surface temperature regulation
    • 4 handles for easy handling and rotation
    • Category: Flex Ultimate
    • Height: approx. 30 cm
    • Free delivery, assembly and removal of your old mattress included

    save 50% - was €1,032.00

    €516.00 iva incluido.

    Pay in up to 40 installments of €12.90/month INTEREST FREE! (+ info)

    Free shipping

  5. Flex Garbí Foam Adjustable Mattress

    50%

    DTO.

    try it 100 nights
    Colchón Flex Garbí Visco Articulado

    Buy your mattress together with the Flex Madera 25 Storage Bed and enjoy an extra 10% off

    Breathability
    Firmness
    • Upholstery: High-density gel memory foam for excellent body adaptation and a fresh, cushioned surface feel
    • Firmness: Medium-firm
    • Core: AirVex® NxT high-density foam block (15 cm) made from natural materials, with millions of micro-channels and built-in vertical and horizontal ventilation channels for superior breathability
    • 7 differentiated firmness zones: moulded core for adaptive comfort tailored to each part of the body
    • Removable cover: Book-opening zip for easy removal and a more hygienic sleep surface
    • Optigrade® technology: Applied to the outer fabric for balanced surface temperature distribution
    • Ideal for adjustable beds
    • Category: Flex Ultimate
    • Height: approx. 18.5 cm
    • Free delivery, assembly and removal of your old mattress included

    save 50% - was €1,158.00

    €579.00 iva incluido.

    Pay in up to 40 installments of €14.48/month INTEREST FREE! (+ info)

    Free shipping

5 Item(s)

  • Only comfort in your bed

    Because at Colchón Exprés, we put at your disposal a wide collection of mattresses for the most demanding sleepers. The line of Flex Ultimate Mattresses incorporates the latest innovations in rest so that you have the most innovative advances in your bed every night. Different spring, foam or memory foam mattresses that turn your rest into a real pleasure. Therefore, if you are one of those who are looking for extra well-being in your sleeping hours, take a look at our website.

    Reference brands in our country

    One of the reasons why you will not regret when you buy with us is that we only have top brands that only use materials for exceptional comfort. Flex wanted to grant restorative sleep to all its clients. For this reason, at Colchón Exprés we present you the Flex Ultimate Mattresses, which have passed strict quality controls and integrate the best components for your complete rest. So that you can convince yourself that sleeping with us will no longer be the same.

  • Your Flex Ultimate Mattresses without leaving the sofa

    And to help you choose the most appropriate mattress for your needs, we offer you the advice of our specialist rest advisors. Because if you don't feel like going to one of our stores, you can contact them through our free telephone number or through the chat on our website. We are able to guide you towards the most appropriate rest for your health and so that you wake up every day with a smile. And you no longer have excuses to delay the renewal of your rest equipment.

    Choosing your mattress with Colchón Express

    We know, choosing the ideal mattress is a complicated task. But at Colchón Exprés we make it a little easier for you, because we want you to find the mattress of your dreams. For this reason, we give you several payment options, Interest-Free Financing, and we also deliver them to your home, so you don't have to worry about anything else. Discover your Flex Ultimate mattresses with us and you won't want to get out of bed. Multiple options for the different ways of sleeping of millions of sleepers. Do you dare?

120 Trial Nights

100-night trial

At Colchón Exprés we want you to test your mattress comfortably at home. For this reason, we offer you a 120-night trial on our best-selling mattresses.

If you are not convinced, you can exchange it for another one of the same size that you like better, before the trial period ends.

See the conditions of the 120-night trial to find out all the details of the promotion.

Interest-Free Financing

interest-free financing

Pay up to 40 months Interest-Free. You can finance any order starting at €90, as long as the minimum monthly payment is at least €12.

Comfortable. We will call you and one of our advisors will help you over the phone in the financing process.

No strings attached. You can advance the payment whenever you want, without penalties or tricks.

Your data protected. We do not sell your data to third parties.

For more information you can click here.

DOUBLE Sonpura Promotion

double promotion

If you buy a Sonpura mattress together with a Sonpura Base, Fixed Canapé or Folding Canapé, of the same size, you will have:

45% Discount on the Base or Canapé, instead of the usual 30% (this discount will be applied directly in your cart).

5 year warranty on your equipment. rest.

*Promotion not applicable to Sonpura mattresses from the Micro range (Gaudí, Royal, Carisma and Titán) nor to the Spirit and Silence models from the Multiadapt range.