10 Best

Extra Firm King Size Mattresses

of May 2024

  1. Product Highlights
    • King size bed mattress – perfect for adults and children, side and back sleepers. fits all uk standard bed bases (5ft x 6ft6, 150cm x 200cm). high-quality core for ideal adaptability. a perfect blend of firmness and flexibility, this design provides superior comfort. with a thickness of up to 32 cm, it provides excellent support for the spine and offers you the well-bei...
    • Pressure-free sleep: thanks to the viscoelastic bio memory high density memory foam, it relieves and prevents joint pressure, reduces aching bones, and provides optimal distribution of weight across the mattress. it instantly soothes pressure on your shoulders and hips, so it delivers a more restful night’s sleep.
    • Who does it suit? with up to 30cm layers of padded hybrid bliss, the extrafresh memory foam mattress suits those who are seeking a premium quality, extra deep, mattress. thanks to its multi-zone support system with zero motion transfer, it suits side and back sleepers and those who toss and turn.
    • No more overheating: ideal for people who are sensitive to heat, the ultra-breathable airtex3d fabric releases heat while you sleep. the innovative air fresh system circulates air between the different layers of the mattress, keeping it moisture free and more hygienic.
    • Love it or shove it guarantee: for your peace of mind, all naturalex products are subject to 5 quality processes and rigorous testing for appropriate home use. all materials are certified hypoallergenic by oekotex. however, we give you a 30 day trial to try it out. that, along with a generous 5 year warranty from naturalex, will allow you to rest knowing you are in safe...
  2. Product Highlights
    • Super comfort memory foam: the top layer of memory foam helps align the spine to minimize pressure points for increased comfort, at the same time, being the strong layer between sleeper and the pocket sprung to prevent any feel of the sprung coils.
    • A good night's sleep: with an innovative 9 zone support system constructed by individual spring coil pockets, each spring coil is made of tempered stainless steel wire into a bucket shape, compressed and sealed in a fabric pocket to reduce noise of spring coil collision. it can eliminates pressure points, motion disturbance and lower back pain, this is the perfect mattr...
    • 3d breathable quilting cover: the mattress cover is made of high-quality and breathable 3d knitted fabric, which is friendly to the skin and has a pleasant surface. the soft fabric and soft sponge are stitched together to closely fit your body.
    • Supportive + undisturbed sleep: each seperate pocketed coil is individually and independently wrapped to provide an individualized comfort support system by contouring each person's body perfectly. it also doesn't transfer motion, for a peaceful undisturbed sleep even if your partner moves a lot at night.
    • Enjoy 100 days money back guarantee: try the mattress for 100 nights before you finally decide to sleep with it for a long time. we absolutely sure that you will fall in love with it! if any problem, please feel free contact us any time.
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  3. Product Highlights
    • ❄️keep cool all night❄️the breathable knitted fabric and gel memory foam takes sweat and heat away from the body. the 3d mesh on the sides of pocket spring hybrid mattress combined with the hollow inner springs effectively enhances airflow to keep you comfortable and cool while you sleep.
    • 💖buy with confidence💖 teqsli hybrid mattress is packaged to fit through your door and any tight spaces, reducing waste of time and effort so you can get a great night’s sleep more easily. as the 5ft hybrid mattress is compressed and roll-packed, it is recommended to wait 72 hours after unpacking for the mattress to fully expand.
    • 💑🏻undisturbed sleep💑🏻 teqsli 10 inch hybrid mattresses use individually wrapped pocketed springs to maximize the absorption of noise and vibration from tossing and turning, bringing you a good night's sleep without disturbance and a refreshing morning. the strengthened edge support of 150 x 200cm sprung mattress allows you to lie firmly without rolling off the mattress.
    • 🛌🏻perfect support for all sleepers🛌🏻 innovative wave memory foam is placed on the bottom of gel memory foam layer, allows the 5ft king size mattress to better shape your body and relieve pressure of sensitive parts like neck, shoulders, back, and hips. provide perfect support for different parts of your body, ideal for side, back and stomach sleepers.
    • 🔧warranty🔧 - eco-friendly innovative oeko-tex 100 and certipur-us certified is tested to meet rigorous standards for chemical content, durability, emissions and performance. as your body needs 3-4 weeks to get used to a new mattress, every teqsli mattress comes with a 100-night hassle-free trial. if you have any questions during use, please contact us directly and we wi...
  4. Product Highlights
    • King size bed memory foam mattress: a great quality, high end memory foam mattress. perfect for adults and children, side and back sleepers. fits all uk standard bed bases (5ft x 6ft6, 150cm x 200cm). 3d mesh on the summer side for cooling effect and warm padding on winter side for cosiness. with visco v200 at the core, it features 7 adaptive sleeping zones to adapt to ...
    • Visco 200 memofresh: a high density memory foam infused with refreshing gel microcapsules to bring you added freshness. the gel particles regulate temperature by absorbing the heat within the mattress. this relieves joint pressure and distributes weight evenly across the mattress. it instantly soothes your shoulders and hips, so it provides a more restful night’s sleep....
    • Who does it suit? side and back sleepers are guaranteed a completely comfortable and regenerating rest thanks to the use of adaptive foams based on latex, blue latex and viscoelastic memory foam combined with the multilayer technique. this mattress holds up to 300kgs in weight and provides layers upon layers of open micro cells which ensures ventilation throughout the m...
    • No more overheating: featuring visco v90, a thermoregulatory foam to ensure you awaken refreshed each day. the material within it is 20 x more breathable than conventional memory foams. it has been designed to prevent moisture build-up and eliminate heat. its reinforced cell composition gives the mattress a longer life. it’s like a fresh, cool breeze blowing through you...
    • Love it or shove it guarantee: experience and quality for your peace of mind. at cosmos, products are subject to 5 quality control processes, each range has been subjected to rigorous testing for appropriate home use. all materials are certified hypoallergenic by oekotex. however, we give you a 30 day trial to try it out. that, along with a generous 5 year warranty from...
  5. Product Highlights
    • [kashmere soft touch knitted fabric] hypoallergenic fabric top cover in a luxury soft touch feel, knitted stretch fabric adds the utmost comfort to this mattress. the cover has tiny knitted air holes which allow perfect airflow whilst you sleep, resulting in a comfy sleeping surface.
    • [27 cm depth] this 5ft king mattress is 27 cm in height which is a perfect depth to create a comfy medium firm mattress allowing perfect space for all the layers to combine with each other creating a perfect combination of support to have a blissful night.
    • [5ft king pocket spring mattress] each pocket spring is enclosed within its own fabric pocket. working independently from each other, each spring reacts only to the pressure applied to that area. this results in a greater level of personalised support and response for each person sleeping on the mattress.
    • [hand tufted top panel] to create an even more desirable sleep surface, this king size mattress has been hand tufted. these tufts don't only look attractive' but help to keep the mattress fillings together in place, allowing the springs and layers of a mattress to stay in place, so you can get the most out of your mattress.
    • [manufactured in the uk] this mattress is compatible with all types of standard uk beds (divan bases, bed frames. ottoman beds, bunk beds, guest beds) so if you are in need of just a new mattress look no further this is a perfect blend of comfort and firmness allowing you peaceful sleep and awaken refreshed and energetic to face the day ahead.
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