We're taking extra precautions to keep you safe. Read more
menu
search
basket
Your Basket
0 items
Your shopping basket is empty
Need help? Call us on 01709 780 881
Mon - Sat
9:30am - 5.30pm
Sunday
10:00am - 4:00pm
More details
  • You are here Home
  • »
  • King Size Cool and Fresh Mattresses
Filter by Size, Type, Brand etc
Use the options below to specify what you're looking for.
You have selected:
King Size
Clear All

King Size Cool and Fresh Mattresses

View all our King Size Mattresses
1-12 of 29 items
Page of 3
Page:  1 2 3 Next > | View All
Sort by:
  • Relevance
  • Biggest Savings
  • Price: Highest First
  • Price: Lowest First
view details
Casper Hybrid Mattress, King Size

Casper Hybrid Mattress, King Size

8.5
out of 10
Read reviews
Free Delivery Medium 24cm deep 10 Year Guarantee
Next Day
King Size 5' x 6'6"
Now only £800.00
Also available in: Single, Small Double, European Double, Superking
Type: Memory Foam, Rolled Up, Single-Sided Mattress
Firmness: 3 Medium
FREE Next Day Delivery or choose a date
8.5
out of 10
Read reviews
Now 20% off
£800.00
view details
I'm in the SALE
Silentnight Eco Comfort Breathe 1000 Pocket Mattress, King Size

Silentnight Eco Comfort Breathe 1000 Pocket Mattress, King Size

8.9
out of 10
Read reviews
Free Delivery Medium to Firm 29cm deep 5 Year Guarantee
Free Delivery within 2-3 Weeks
King Size 5' x 6'6"
Now only £739.00
Also available in: Single, Double, Superking
Type: Pocket Sprung, Single-Sided Mattress, Hypoallergenic
Firmness: 4 Medium to Firm
Free Delivery within 2-3 Weeks
8.9
out of 10
Read reviews
£739.00
view details
Nectar Memory Foam Mattress, King Size

Nectar Memory Foam Mattress, King Size

8.5
out of 10
Read reviews
Free Delivery Medium to Firm 25cm deep 10 Year Guarantee
Next Day
King Size 5' x 6'6"
Now only £549.00
Also available in: Single, Small Double, Double, Superking
Type: Memory Foam, Reflex Foam, Rolled Up
Firmness: 4 Medium to Firm
FREE Next Day Delivery or choose a date
8.5
out of 10
Read reviews
Now 15% off
£549.00
view details
Luna Memory 4000 Pocket Mattress, King Size

Luna Memory 4000 Pocket Mattress, King Size

9.1
out of 10
Read reviews
Free Delivery 27cm deep 10 Year Guarantee
Next Day
King Size 5' x 6'6"
Now only £549.95
Also available in: Single, Small Double, Double, Superking
Type: Memory Foam, Pocket Sprung, Reflex Foam
Firmness: 3 Medium
FREE Next Day Delivery or choose a date
9.1
out of 10
Read reviews
Now 40% off
£549.95
view details
I'm in the SALE
Silentnight Eco Comfort Breathe 1400 Pocket Pillow Top Mattress, King Size

Silentnight Eco Comfort Breathe 1400 Pocket Pillow Top Mattress, King Size

9.3
out of 10
Read reviews
Free Delivery Firm 26cm deep 5 Year Guarantee
Next Day
King Size 5' x 6'6"
Now only £571.15
Also available in: Single, Double, Superking
Type: Pocket Sprung, Single-Sided Mattress, Hypoallergenic
Firmness: 5 Firm
FREE Next Day Delivery or choose a date
9.3
out of 10
Read reviews
Now 25% off
£571.15
view details
Luna Memory 1000 Pocket Mattress, King Size

Luna Memory 1000 Pocket Mattress, King Size

8.8
out of 10
Read reviews
Free Delivery Medium 20cm deep 10 Year Guarantee
Next Day
King Size 5' x 6'6"
Now only £349.95
Also available in: Single, Small Double, Double, Superking
Type: Memory Foam, Pocket Sprung, Reflex Foam
Firmness: 3 Medium
FREE Next Day Delivery or choose a date
8.8
out of 10
Read reviews
Now 35% off
£349.95
view details
DreamCloud Luxury Memory Hybrid Mattress, King Size

DreamCloud Luxury Memory Hybrid Mattress, King Size

8.0
out of 10
Read reviews
Free Delivery Medium to Firm 29cm deep 10 Year Guarantee
Next Day
King Size 5' x 6'6"
Now only £749.00
Also available in: Single, Double, Superking
Type: Memory Foam, Pocket Sprung, Rolled Up
Firmness: 4 Medium to Firm
FREE Next Day Delivery or choose a date
8.0
out of 10
Read reviews
Now 25% off
£749.00
view details
I'm in the SALE
Silentnight Eco Comfort Breathe 3000 Pocket Pillow Top Mattress, King Size

Silentnight Eco Comfort Breathe 3000 Pocket Pillow Top Mattress, King Size

8.6
out of 10
Read reviews
Free Delivery Medium 33cm deep 5 Year Guarantee
Next Day
King Size 5' x 6'6"
Now only £705.74
Also available in: Single, Double, Superking
Type: Pocket Sprung, Single-Sided Mattress, Hypoallergenic
Firmness: 3 Medium
FREE Next Day Delivery or choose a date
8.6
out of 10
Read reviews
Now 30% off
£705.74
view details
Luna Memory 2500 Pocket Mattress, King Size

Luna Memory 2500 Pocket Mattress, King Size

9.0
out of 10
Read reviews
Free Delivery Medium to Firm 25cm deep 10 Year Guarantee
Next Day
King Size 5' x 6'6"
Now only £449.95
Also available in: Single, Small Double, Double, Superking
Type: Memory Foam, Pocket Sprung, Reflex Foam
Firmness: 4 Medium to Firm
FREE Next Day Delivery or choose a date
9.0
out of 10
Read reviews
Now 50% off
£449.95
view details
Simba Hybrid Essential 1500 Pocket Mattress, King Size

Simba Hybrid Essential 1500 Pocket Mattress, King Size

8.5
out of 10
Read reviews
Free Delivery Medium to Firm 20cm deep 10 Year Guarantee
Next Day
King Size 5' x 6'6"
Now only £579.95
Also available in: Single, Small Double, Double
Type: Memory Foam, Pocket Sprung, Reflex Foam
Firmness: 4 Medium to Firm
FREE Next Day Delivery or choose a date
8.5
out of 10
Read reviews
Now 20% off
£579.95
view details
I'm in the SALE
Silentnight Geltex Ultra 3000 Mirapocket Medium Mattress, King Size

Silentnight Geltex Ultra 3000 Mirapocket Medium Mattress, King Size

9.1
out of 10
Read reviews
Free Delivery Medium 37.5cm deep 5 Year Guarantee
Next Day
King Size 5' x 6'6"
Now only £836.55
Also available in: Single, Double, Superking
Type: Pocket Sprung, Gel Foam, Single-Sided Mattress
Firmness: 3 Medium
FREE Next Day Delivery or choose a date
9.1
out of 10
Read reviews
Now 15% off
£836.55
view details
I'm in the SALE
Silentnight Eco Comfort Breathe 2000 Pocket Mattress, King Size

Silentnight Eco Comfort Breathe 2000 Pocket Mattress, King Size

8.6
out of 10
Read reviews
Free Delivery Medium 31cm deep 5 Year Guarantee
Next Day
King Size 5' x 6'6"
Now only £626.66
Also available in: Single, Double, Superking
Type: Pocket Sprung, Single-Sided Mattress, Hypoallergenic
Firmness: 3 Medium
FREE Next Day Delivery or choose a date
8.6
out of 10
Read reviews
Now 25% off
£626.66
1-12 of 29 items
Page of 3
Page:  1 2 3 Next > | View All
Browse Manufacturers
Need a little help?
Go to Advice Give us a call

Sale Now On

Sale: Up to 70% off

5 Service

Trustpilot Reviews

"Great product at a great price with delivery as promised!"

- Jason Hiscocks

National Bed Federation Retailer of the year 2020 - 2021 Proudly supporting the Sleep Charity
Trustpilot

Top Categories

Help & Information

Contact Us
Ways to pay VISA MasterCard Maestro PayPal Klarna

Copyright © 2003-2021 MattressOnline.co.uk Ltd | VAT Reg: 838851683 | Terms & Conditions | Privacy Policy | Sitemap