Octaspring Mistral Memory Foam Mattress

The Octaspring Mistral Mattress features an additional layer of patented honeycomb shaped Octasprings® compared to the Octaspring Levanto for outstanding comfort whilst the supportive body zones allow for correct spine alignment while you sleep to help relieve aches and pains. Experience the comfort of memory foam without the heat and humidity.

  • Featuring two layers of award-winning Octasprings® that move three dimensionally promoting outstanding comfort by adapting to the contours of your body
  • A layer of pressure-relieving memory foam ensures deep muscle relaxation and a truly rejuvenating sleep
  • Supportive Body Zones. Individual Octasprings® arranged into five customised body support zones to allow for correct spine alignment
  • A bottom layer of Ecocell® foam for cushioning support that evenly distributes your body weight for correct spine alignment all night long
  • Unique Octaspring ventilation system provides a constant air flow for 8 x more breathability than traditional memory foam
  • Firmness: Medium/Firm

Product Overview

Experience remarkable ventilation with the unique Octaspring Mistral mattress that will keep you cool and fresh all night long, whilst delivering outstanding comfort and cradling memory foam support for your body. You will get comfortable quicker, fall asleep faster and spend more time in deep sleep and wake up feeling refreshed. That's what sleeping on the next generation mattress means. That's the difference Octaspring makes.

The Octaspring Mistral is made from two layers of the unique Octaspring foam springs and has a medium firm feel. Sink into a layer of breathable Octaspring memory foam, topped with a deep layer luxurious memory foam ensuring you enjoy deep muscle relaxation and truly rejuvenating sleep. All this rests on a layer of medium firm Octaspring springs arranged in 5 zones for cushioning support that evenly distributes your body weight and ensures perfect spine alignment. Octaspring is a truly ground-breaking sleep technology. Patented memory foam springs make the mattress 8x more breathable than traditional memory foam. Breathable memory foam springs of different firmness are arranged in to zones to provide unmatched levels of support, flexibility and comfort across your entire body for a healthy, restful sleep. This incredible 'memory foam spring' technology cannot be found in any other mattress! Traditional memory foam mattresses cradle the body for great support however they are also known to be hot and humid. Without adequate ventilation, the sleep surface gets hot, causing you to perspire and your sleep to be disturbed. The unique Octaspring ventilation system provides a constant airflow.

*Spring colour may vary.

Specifications

Firmness Medium/Firm
Features Memory Foam, Octaspring Technology, Anti-Allergy, Body Zones, Non-Slip Base, No Flip, Machine Washable
Warranty 20 Years
Height 22cm
3’0 Single Dimensions H 22cm x W 90cm x L 190cm
4’6 Double Dimensions H 22cm x W 135cm x L 190cm
5’0 King Dimensions H 22cm x W 150cm x L 200cm
6’0 Super King Dimensions H 22cm x W 180cm x L 200cm

Product FAQ 20

Product Questions and Answers
  1. Q:Can I pay in instalments?
    A:Yes. We offer flexible payment options through Klarna and Clearpay, making it easier to spread the cost of your purchase. Depending on your order value and eligibility, you can choose from a range of payment options, including Pay in 3, Pay in 4 or interest-free payments. Simply select your preferred payment method at checkout to view the options available for your order. Instalment options are available to eligible UK residents aged 18 and over and are subject to status, eligibility and the provider's terms and conditions.
  2. Q:How long is delivery?
    A:Delivery times vary depending on the product you've ordered. Please check the estimated delivery time shown on the product page and at checkout. Deliveries to Northern Ireland, the Scottish Highlands and Islands may take up to seven additional days after you receive your dispatch confirmation email.
  3. Q:How do I know what size I need?
    A:Our products are available in a range of standard UK sizes, with selected products also available in European sizes. Visit our Buying Guides for size guides, measurements and expert advice to help you choose the right product for your bed.
  4. Q:Do you deliver to outside the UK?
    A:We currently deliver to addresses across the UK, including Northern Ireland. Unfortunately, we do not deliver to Gibraltar, the Channel Islands or the Isle of Man. Deliveries to Northern Ireland, the Scottish Highlands and Islands may take up to seven additional days after dispatch, and some larger products may also incur an additional delivery charge, which will be calculated and displayed during checkout before you complete your order.
  5. Q:What is the Dormeo 200 Night Trial?
    A:Selected Dormeo mattresses and mattress toppers come with our 200 Night Trial, giving you up to 200 nights to experience your new product in the comfort of your own home. If you're not completely satisfied, you can return it for a refund or exchange it for another eligible model within 200 nights of delivery (one exchange or return per order). To qualify, your product must be opened within 30 days of delivery and used with a mattress protector. Please note that the 200 Night Trial does not apply to all products, so we recommend checking the product page for eligibility. Full terms and conditions apply, for full detsails please see our 200 Night Trial page.
  6. Q:How do I return my product?
    A:If you wish to return your order, please contact our Customer Care team, who will guide you through the returns process. Return eligibility depends on the product you've purchased. Selected mattresses and mattress toppers are covered by our 200 Night Trial, while other products are covered by our standard returns policy. Full details can be found on our Returns page.
  7. Q:Can I take my Dormeo product abroad?
    A:Yes, you can take your Dormeo product abroad for personal use. Please note that any transportation costs, import duties or customs charges are your responsibility. Your warranty remains valid in line with our warranty terms and conditions. However, if you need to make a warranty claim, you'll be responsible for any costs associated with returning the product, and claims can only be processed from a valid UK delivery address.
  8. Q:How can I contact Dormeo?
    A:If you have any questions before or after your purchase, our Customer Care team is here to help. Visit our Contact Us page to find our latest contact details, opening hours and available support options, including phone and email.
  9. Q:Do I need to flip my mattress?
    A:No. Dormeo mattresses are designed to be rotated rather than flipped. We recommend rotating your mattress from head to toe once a week for the first four weeks, then once every four weeks thereafter to help maintain comfort and support.
  10. Q:Can I use my mattress on a slatted bed base?
    A:Yes. Dormeo mattresses are suitable for use on standard bed frames and slatted bed bases. To ensure proper support and maintain your warranty, the gaps between slats should be no wider than 7.5cm (3 inches). Wider gaps may reduce the mattress's performance and could invalidate your warranty.
  11. Q:Which mattress is best for back pain?
    A:Choosing the right mattress for back pain depends on your individual needs, preferred sleeping position and comfort preference. Our Best Mattress for Back Pain Guide can help you find the right option. If you'd like personalised advice, our Sleep Experts are always happy to help.
  12. Q:How can I help prevent mould on my mattress?
    A:To help prevent moisture build-up, we recommend airing your mattress regularly by removing the bedding and allowing fresh air to circulate. Ensure your bedroom is well ventilated and avoid placing your mattress directly against a wall where moisture can become trapped. Damage caused by mould is not covered under warranty.
  13. Q:Do you sell children's mattresses?
    A:Yes. While we don't have a dedicated children's mattress range, many of our mattresses are suitable for children and teenagers. Simply choose the right size and comfort level for your child's needs, with our single and small double mattresses being popular choices.
  14. Q:Does a new mattress have a smell?
    A:As with many new foam mattresses, you may notice a slight odour when your mattress is first unpacked. This is completely normal, harmless and should fade within 24–48 hours. Simply allow the mattress to air in a well-ventilated room before use. If the odour persists, please contact our Customer Care team.
  15. Q:Can you take away my old mattress?
    A:Yes. We can arrange for your old mattress to be collected when your new one is delivered on selected orders. Please contact our Customer Care team before placing your order to check availability, pricing and whether the service is available in your area.
  16. Q:How long does my mattress take to fully expand?
    A:Please unpack your mattress within 30 days of delivery. Once opened, it will begin expanding immediately and regain its shape within approximately 15 minutes. Most rolled mattresses are ready to sleep on after 6–8 hours, although they may take up to 24 hours to reach their full depth and optimum performance. For the best sleeping experience, we recommend allowing the mattress to fully expand before first use where possible.
  17. Q:Can I try a Dormeo mattress before I buy?
    A:Yes. You're welcome to visit our Dormeo showroom to see and try selected mattresses before you buy (subject to stock availability). Our showroom is located at: Dormeo Showroom Wye House Wye Industrial Estate 376 London Road High Wycombe HP11 1LH Opening Hours: Monday – Saturday: 9:00am – 5:00pm Sunday: 10:00am – 4:00pm If you're unable to visit our showroom, selected mattresses are also covered by our 200 Night Trial, giving you the opportunity to try your mattress at home with complete confidence. Please check the product page for eligibility.
  18. Q:How is my mattress delivered?
    A:Delivery varies depending on the mattress you choose. Dormeo Memory mattresses are vacuum-packed for easy transportation and hygiene. You can find out more on our delivery page. Please refer to the product page for the delivery service included with your chosen mattress.
  19. Q:Can I use an electric blanket with my mattress?
    A:We do not recommend using an electric blanket with foam mattresses. Prolonged exposure to heat may affect the performance and shape of the foam over time and could invalidate your warranty.
  20. Q:What mattress firmness is right for me?
    A:The right mattress firmness depends on your preferred sleeping position, body type and personal comfort preference. Whether you prefer a soft, medium or firm feel, Dormeo offers a range of mattresses designed to provide the right balance of comfort and support. If you're unsure which firmness is right for you, explore our Mattress Buying Guides or contact our Sleep Experts for personalised advice.

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ruler 30cm
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Flexi Payment Available
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ruler 27cm
Flexi Payment Available
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Octaspring Mistral Memory Foam Mattress