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King Size Gel Foam Mattresses

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1-12 of 22 items
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Sealy Royale Geltex 2200 Pocket Mattress, King Size

9.1
out of 10
Read reviews
Free Two-Man DeliveryFree DeliverySoft to Medium37cmWarranty: 5 Years
Next Day
King Size5' x 6'6"
Now only £819.95
Also available in: Single, Double, Superking, Superking Zip and Link
Type: Gel Foam, Pocket Sprung
Firmness: 2 Soft to Medium
FREE Next Day Delivery or choose a date
9.1
out of 10
Read reviews
Now 30% off
£819.95
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Silentnight Geltex Select 1350 Mirapocket Mattress, King Size

9.2
out of 10
Read reviews
Free DeliveryFree Two-Man DeliveryMedium to Firm29cmGuarantee: 5 Years
Next Day
King Size5' x 6'6"
Now only £746.95
Also available in: Single, Double, Superking
Type: Luxury Mattress, Pocket Sprung, Gel Foam
Firmness: 4 Medium to Firm
FREE Next Day Delivery or choose a date
9.2
out of 10
Read reviews
Now 20% off
£746.95
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Studio by Silentnight Medium Mattress, King Size

9.0
out of 10
Read reviews
Free DeliveryFree Two-Man DeliveryMedium26cmGuarantee: 5 Years
Next Day
King Size5' x 6'6"
Now only £699.00
Also available in: Single, Double, Superking
Type: Rolled Up, Gel Foam, Memory Foam
Firmness: 3 Medium
FREE Next Day Delivery or choose a date
9.0
out of 10
Read reviews
£699.00
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Sleepeezee AeroGel 800 Pocket Comfort Mattress, King Size

9.4
out of 10
Read reviews
Free DeliveryIn StockMedium to Firm22cmGuarantee: 5 Years
Free Delivery within 2-3 Weeks
King Size5' x 6'6"
Now only £379.95
Also available in: Single, Double, Superking
Type: Gel Foam, Pocket Sprung
Firmness: 4 Medium to Firm
Free Delivery within 2-3 Weeks
9.4
out of 10
Read reviews
Now 25% off
£379.95
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Silentnight Geltex Select 1850 Mirapocket Mattress, King Size

8.6
out of 10
Read reviews
Free DeliveryFree Two-Man DeliverySoft to Medium33cmGuarantee: 5 Years
Next Day
King Size5' x 6'6"
Now only £869.95
Also available in: Single, Double, Superking
Type: Pocket Sprung, Gel Foam
Firmness: 2 Soft to Medium
FREE Next Day Delivery or choose a date
8.6
out of 10
Read reviews
Now 20% off
£869.95
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Silentnight 70th Anniversary Miracoil Geltex Mattress, King Size

9.0
out of 10
Read reviews
Free Two-Man DeliveryFree DeliveryMedium to Firm32cmGuarantee: 5 Years
Next Day
King Size5' x 6'6"
Now only £519.95
Also available in: Single, Double, Superking
Type: Gel Foam, Standard Sprung
Firmness: 4 Medium to Firm
FREE Next Day Delivery or choose a date
9.0
out of 10
Read reviews
Now 20% off
£519.95
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Silentnight Helsinki Miracoil Geltex Pillow Top Mattress, King Size

8.8
out of 10
Read reviews
Free DeliveryIn StockMedium29cmGuarantee: 5 Years
Next Day
King Size5' x 6'6"
Now only £574.95
Also available in: Single, Double, Superking
Type: Standard Sprung, Gel Foam
Firmness: 3 Medium
FREE Next Day Delivery or choose a date
8.8
out of 10
Read reviews
Now 20% off
£574.95
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Silentnight Geltex Select 1000 Mirapocket Mattress, King Size

9.3
out of 10
Read reviews
Free DeliveryFree Two-Man DeliveryMedium29cmGuarantee: 5 Years
Next Day
King Size5' x 6'6"
Now only £649.95
Also available in: Single, Double, Superking
Type: Various
Firmness: 3 Medium
FREE Next Day Delivery or choose a date
9.3
out of 10
Read reviews
Now 15% off
£649.95
view details

Slumberland Gold Seal 2200 Pocket Mattress, King Size

Free Two-Man DeliveryFree DeliveryMedium to Firm32cmGuarantee: 8 Years
Next Day
King Size5' x 6'6"
Now only £999.95
Also available in: Single, Small Double, Double, Superking
Type: Various
Firmness: 4 Medium to Firm
FREE Next Day Delivery or choose a date
Now 30% off
£999.95
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Silentnight Mirapocket 1000 Geltex Pillow Top Limited Edition Mattress, King Size

9.5
out of 10
Read reviews
Free Two-Man DeliveryFree DeliveryMedium34cmGuarantee: 5 Years
Next Day
King Size5' x 6'6"
Now only £659.95
Also available in: Single, Double, Superking
Type: Pocket Sprung, Gel Foam
Firmness: 3 Medium
FREE Next Day Delivery or choose a date
9.5
out of 10
Read reviews
Now 15% off
£659.95
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Studio by Silentnight Softer Mattress, King Size

8.9
out of 10
Read reviews
Free DeliveryFree Two-Man DeliverySoft to Medium26cmGuarantee: 5 Years
Next Day
King Size5' x 6'6"
Now only £699.00
Also available in: Single, Double, Superking
Type: Rolled Up, Gel Foam, Memory Foam
Firmness: 2 Soft to Medium
FREE Next Day Delivery or choose a date
8.9
out of 10
Read reviews
£699.00
view details

Studio by Silentnight Firmer Mattress, King Size

8.8
out of 10
Read reviews
Free DeliveryFree Two-Man DeliveryFirm26cmGuarantee: 5 Years
Next Day
King Size5' x 6'6"
Now only £699.00
Also available in: Single, Double, Superking
Type: Various
Firmness: 5 Firm
FREE Next Day Delivery or choose a date
8.8
out of 10
Read reviews
£699.00
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