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Zip Link Super King Cooling Firm Extra Support & Spinal Alignment Mattresses

A Super Kingsize zip and link size utilizes two single sizes zipped together. It will measure 180cm (6') x 190/200cm (6' 3"/6'6").


A firm mattress is a firmness that offers very little give or sink, providing a very supportive sleeping surface and distributing your body weight more evenly than softer mattresses. Firm mattresses are perfect for front and back sleepers.

The Individual pocket springs move independently, adapting to your body's contours which creates targeted support, reducing pressure points on the back, neck, and joints.


Shop mattresses from big brands including Sleepeezee, Silentnight and Giltedge. Choose from pocket spring, memory foam, hybrid and natural fillings options, available in every UK size. Selected mattresses include a 60-night trial, with free next-day delivery on orders over £299 and removal of your old mattress if required.

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  1. Size
    Zip Link Super King
  2. Benefits
    Cooling
  3. Comfort Rating
    Firm
  4. Features
    Extra Support & Spinal Alignment
Price
Size

  1. Single

    3' x 6'3" | 90cm x 190cm

    5items

  2. Small Double

    4' x 6'3" | 120cm x 190cm

    4items

  3. Double

    4'6" x 6'3" | 135cm x 190cm

    5items

  4. King Size

    5' x 6'6" | 150cm x 200cm

    5items

  5. Super King

    6' x 6'6" | 180cm x 200cm

    5items

  6. Zip Link Super King

    6' x 6'6" | 180cm x 200cm

    2items
Fast Delivery

  1. Fast Delivery

    Next day delivery or later. Choose a delivery date at checkout
Benefits

  1. Pressure & Pain Relief

    3items

  2. Cooling

    2items

  3. Award Winning

    1item

  4. Heavy Duty

    7items
Comfort Rating
  1. tension-image

    Soft/Med

    Balances comfort and support, providing a soft feel Ideal for sleepers with a lighter build who may find a medium mattress too firm and want a little extra give.

  2. tension-image

    Medium

    Often considered a universal comfort option, suitable for most people regardless of weight, sleeping position or preference.
  3. tension-image

    Med/Firm

    Provides a slight firmness, perfect if you want the extra support but still like your bed to feel cosy and soft.
  4. tension-image

    Firm

    Offers very little give or sink, providing an exceptionally supportive sleeping surface and ideal for people who like to sleep on top of their mattress
Mattress Core

  1. Pocket Springs

    Pocket springs work independently to each other, providing more support and reducing motion transfer.

  2. Memory Gel

    Memory gel mattresses are designed to be breathable and moisture-wicking, similar to memory foam mattresses, but with cooling properties to help regulate temperature.

  3. Natural Fillings

    Natural fillings in mattresses are materials derived from natural sources that add comfort, support, and durability to a mattress.
Features

  1. Keeps You Cool

    Helps regulate body temperature and prevents overheating by improving breathability, airflow, and heat dissipation

  2. Reduces Partner Disturbance

    Perfect for couples, as movement on one side won’t disturb the other.

  3. Pressure Relieving

    Pressure-relieving mattresses are designed to distribute the body's weight more evenly across the surface of the mattress, reducing pressure on specific points such as the hips, shoulders, and spine.

  4. Ideal for All Sleeping Positions

    Offers balanced support, whether you sleep on your back, side, or stomach.

  5. No Roll-Together

    Each spring moves independently, preventing sagging or dips over time.

  6. Hybrid Support

    A hybrid mattress offers the best of both worlds, the pressure relief and contouring of foam with the responsiveness and support of springs.

  7. Extra Support & Spinal Alignment

    The Individual pocket springs move independently, adapting to your body's contours which creates targeted support, reducing pressure points on the back, neck, and joints.

  8. Excellent Temperature Regulation

    Absorbs and wicks away moisture, preventing overheating, helping to keep you cool in summer and warm in winter.
Mattress Depth

  1. 20cm-24cm

    1item

  2. 25cm-29cm

    1item
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2 Results

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Fast Delivery

Recommended Price low-high Fast Delivery
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  1. Sleepeezee Wool Luxe 1200 Mattress
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    tension

    Firm

    Firmness

    Firm · 5 / 5

    1

    2

    3

    4

    5

    Mattress Type:

    Pocket Springs

    1200 Pocket Springs

    Natural Fillings

    Natural Fillings

    Sleepeezee Wool Luxe 1200 Mattress

    Rating:
    97%
    4.85· 6  reviews
    Mattress Core
    1200 Pocket Springs
    Natural Fillings
    Mattress Depth
    24 cm depth
    From
    £471.00
    RRP £699.00
    free-delivery

    Free Delivery available within 7 - 21 Days

    brand
  2. Sleepeezee Cool Refresh 1600 Mattress
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    tension

    Firm

    Firmness

    Firm · 5 / 5

    1

    2

    3

    4

    5

    Mattress Type:

    Pocket Springs

    1600 Pocket Springs

    Memory Gel

    Memory Gel

    Sleepeezee Cool Refresh 1600 Mattress

    Rating:
    100%
    5· 3  reviews
    Mattress Core
    1600 Pocket Springs
    Memory Gel
    Mattress Depth
    24 cm depth
    From
    £515.00
    RRP £699.00
    free-delivery

    Free Delivery available within 7 - 21 Days

    brand

2 Results

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Mattress FAQs
Everything you need to know before you buy
What mattress firmness is right for me?
Firmness depends on your sleep position, body weight and personal preference. Side sleepers generally suit a softer feel as it cushions pressure points at the hip and shoulder. Back sleepers do best with medium to medium firm — enough support to keep the spine aligned. Front sleepers need a firmer surface to prevent the lower back dipping. Heavier sleepers tend to need a firmer mattress as they compress the layers more.
How long should a mattress last?
Most mattresses last between 7 and 10 years with proper care. Higher quality pocket sprung and latex mattresses can last 10 to 15 years. Signs it's time to replace yours include visible sagging or lumps, waking with aches and pains, or simply not sleeping as well as you used to. Rotating your mattress regularly helps extend its life significantly.
What's the difference between pocket sprung and open coil?
Open coil mattresses use a single connected wire system — less expensive but more prone to motion transfer. Pocket sprung mattresses have individual springs each sewn into their own fabric pocket, so they respond independently to movement and weight. This means better support, less partner disturbance, and a longer lifespan. Pocket sprung is generally the superior choice for most sleepers.
Is memory foam good for back pain?
Memory foam can be very effective for back pain as it contours to the body's natural curves and distributes pressure evenly. However, if you need firm spinal support, a medium-firm pocket sprung or hybrid mattress may work better. It depends on the type and cause of your back pain — our mattress quiz can help match you to the right choice for your specific needs.
Do I need a specific mattress for my bed frame?
The most important thing is getting the right size. Most mattresses work with most frames. The exception is slatted frames — if the slats are more than 7cm apart you may need a sturdier mattress or a slatted base insert. Divan beds with a platform top provide the firmest, most even support and suit any mattress type. Adjustable beds require a specially designed flexible mattress.
What does spring count actually mean?
Spring count refers to the number of individual pocket springs in a king size mattress. Higher count generally means more targeted support — but it's not the only factor in quality. A 1,000 spring mattress from a reputable brand will often outperform a cheaper 3,000 spring mattress. The gauge of the springs, the fillings above them, and overall build quality matter just as much as the count.
How do I know if my mattress is too soft or too firm?
A mattress that's too soft will cause you to sink and feel unsupported — you may wake with lower back aches or find it hard to change position. One that's too firm creates pressure points at the hips and shoulders, especially for side sleepers. Ideally your spine should be in a neutral position — not bowed downward or arched upward — when lying in your normal sleep position.
What size mattress do I need?
The right size depends on your bedroom dimensions, whether you sleep alone or with a partner, and how much space you personally need to sleep comfortably. A double (135 x 190cm) is the most popular choice for couples in smaller rooms. A king size (150 x 200cm) gives noticeably more width and length and is worth the upgrade if your room allows it. A super king (180 x 200cm) is ideal if space is no object. For a single sleeper, a small double (120 x 190cm) gives room to stretch without taking up too much floor space.
What's the best mattress for couples?
The ideal couples mattress minimises motion transfer so neither partner disturbs the other. Pocket sprung mattresses with a high spring count (1,500+) are excellent for this as each spring reacts independently. Memory foam and hybrid mattresses also absorb movement well. If you and your partner prefer very different firmness levels, a zip and link mattress lets you join two mattresses together — each person gets their preferred feel.
How do I care for and maintain my mattress?
Rotate your mattress 180 degrees every 3 months for the first year, then every 6 months after (unless it's a no-turn model). Use a good quality mattress protector to guard against moisture and staining. Vacuum the surface regularly to remove dust. Allow your mattress to air periodically — pull back the covers for 20 minutes each morning before making the bed.
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