Medium-Firm Wayfair Sleep King Size Mattresses

Kingsize (5')

Individual pocket springs: supported by hundreds of quality and stainless individual pocket springs, each sprung works independently to offer all-over and average support to 7 parts of your body (feet, legs, hips, waist, shoulders, neck, head). Excellent shock absorption and resilience, cater to your vertebra well and help adjust and correct your sleeping posture. Support system: The ergonomic design hybrid-pocket memory foam and pocket sprung support system not only provides better support for your body but also can absorb more pressure that comes from your body and the sprung, providing more buffers for your body. Fully relax your muscles, and greatly improve your sleeping quality. Breathable and healthy: designed with hybrid-pocket memory foam, comfortable and breathable, providing good air circulation to let go of body sweat and moisture to keep the body comfortable and dry when sleeping. Back pain relief & motion isolation: the puffy mattress single features a plush, soft surface that leaves you floating on a cloud, and the bottom offers medium-firm mattress support. Perfectly shape your body. Say goodbye to back pain. Plus this hybrid-pocket memory mattress eliminates motion transfer and controls motion to prevent localized bounce, so you can sleep through your partner's tossing and turning and wake up refreshed. The mattress is great for all sleeping positions. Easy shipping & set-up: the mattress is compressed and packaged in a box for shipping, allowing it to easily be delivered to your door and expand to its full lofty shape inside your home. They fit all frames, such as box sprung, floor, slatted base, flat platform or adjustable bed, and hospital bed. "Individual pocket springs".

Absolutely amazing, value for money. Highly recommend if you are looking for a medium firm mattress. Shivam. Wed Aug 05 2026

Kingsize (5'), 20cm

This Iyer nature gel memory foam mattress is designed with a double-layer all-foam system, improving support and heat dissipation, The mattress layers include a 2cm certified gel memory foam layer and 18cm of high-density base support foam for ultimate comfort. It includes a soft hypoallergenic cover layer that is washable for your convenience. All-foam bed design combines expertise and the best materials with advanced sleep technology. Memory foam is conducive to continuous airflow and breathable; skin-friendly fabrics adapt to the environment to keep the mattress surface at the ideal sleeping temperature; Buoyant, no-sink support foams adapt and conform to your body for optimal pressure relief. Specialized foams reduce motion transfer of a partner so your sleep is undisturbed. This mattress is compressed and packaged in a box for shipping, allowing it to easily be delivered to your door and expand to its full lofty shape inside your home. They fit all frames, such as box springs, floor, slatted base, flat platform or adjustable bed, and hospital bed. Note: Please allow up to 72 hours for the mattress to fully expand and for any potential odors to dissipate.

Lovely mattress, no smell and expanded quite quickly, waited the 48 hours before putting on the bed. Anonymous. Crawley, GB. Wed Aug 26 2026

Kingsize (5')

Bring a touch of luxury hotel comfort to your home with this hybrid mattress, boasting a cover of natural Egyptian cotton encasing a traditionally supportive coil sprung base and an eco-friendly comfort layer at the top. The firm comfort level is ideal for back and stomach sleepers, and the breathable fabric gives you a naturally cooler, softer and more restful night’s sleep for a fresh and invigorated morning, whether in your master bedroom, guest room or on a child’s bed. 18cm deep. Available in Single, Small Double, Double and King sizes.

Great quality and delivered quickly. Anonymous. Tue Aug 11 2026

Kingsize (5')

Combining individually pocketed springs and a latex foam layer allows the pocket-sprung latex 1500 mattress to offer you support and comfort in abundance.

Very comfortable mattress, delighted.. Amanda. Tue Nov 26 2024

King

An Ortho foam quality mattress provides firm orthopaedic support when used on either a divan base or a bed frame, helping to maintain the correct alignment of the spine and neck for a healthier and comfortable night sleep. Please note that fabric patterns may vary slightly from what’s pictured, but the quality remains the same.

Helped my back problems. Anonymous. Sat Jul 04 2026

Kingsize (5')

A mattress is designed to support the way you've designed it. You get pure comfort and top-to-toe support, thanks to the perfect mix of pocket springs and our unique foam.

Honestly does what the package says, it’s an excellent mattress, I do recommend leaving it for the 72 hours if you can as it really does make such a difference, very comfortable and slightly form for those like me who suffer from some back pains! Highly recommend. Anonymous. Thu Aug 13 2026

Kingsize (5')

A pocket-sprung base and a memory foam layer make for an ideal mattress choice if you’re looking for both support and comfort. The tufted pocket memory 800 mattress provides a perfect medium comfort level for all.

Good value for money, I would have liked it a little firmer, but on the whole, I get a good night's sleep.. Lm. North East England. Sun Aug 10 2025

Kingsize (5')

This pocket-sprung 800 mattress features individual pocket springs that work independently to react to your body's movement and contours, offering complete support. This pocket-sprung mattress has a medium-firm feel and is perfect if you are looking for a mattress with a good combination of pressure relief and support.

Lovely mattress more on the softer side not firm at all. Phoebe. London, GB. Mon Jan 13 2025

Kingsize (5')

This mattress is designed to help solve five common sleep problems: Tossing and turning, back support and alignment, balanced sleep temperature, partner movement, and sagging. The memory foam and convoluted foam in the pillow: The top allows for complete relaxation by molding to your body, relieving key pressure points, and promoting airflow and breathability, the core is made of high-performance independently encased coils, designed to eliminate motion disturbance and keep you sleeping soundly. Prevents bad smells, is cool during summer and warm in winter, regulates body temperature, and absorbs moisture, special air vents help to keep the mattress dry all the time.

Easy to order quick delivery and just what I was looking for - mattress is comfortable. Vashti. Newlyn Penzance, GB. Wed Aug 19 2026

Kingsize (5')

Look forward to going to sleep quicker and staying asleep longer on this mattress. It will support the body's sleeping position every night. It combines the excellent support and comfort of the pressure-relieving layer of responsive individually wrapped material to provide superior luxury and relaxation.

Super comfy mattress! It’s supportive without being too firm and was comfortable from the very first night. It feels really well made, offers excellent value for money, and pairs perfectly with the bed. If you’re looking for a comfortable mattress that doesn’t break the bank, I’d definitely recommend this one.. Anonymous. Sat Jul 04 2026

Kingsize (5')

Available in a range of sizes to suit your bed frame, this sleeper mattress ensures a comfortable night's sleep. The mattress uses a combination of supportive base foam, soft transition foam, and contouring memory foam, making it ideal for back, stomach, and side sleepers alike. The ventilated design protects your mattress's life and increases breathability.

This mattress is soo comfortable! I sleep like a baby and don’t wanna get outta bed! Lol and my dogs love it too!. Cara. Milwaukie, OR. Tue Dec 15 2020