Encapsulated
An encapsulated mattress has a reinforced foam border that runs around its entire perimeter, creating excellent edge support while maximising your usable sleep surface. Encapsulation prevents the sides from collapsing when you sit or lie near the edge, effectively extending the supportive area right to the border of your mattress. The foam frame works harmoniously with the internal springs to maintain consistent support across the entire surface.
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Original price
£579.95
from £289.95
from £289.95
Current price
£289.95
Kayflex Reflex 1000 Ocean Blue Pocket Spring Mattress
• Soft Comfort
• Pocket Spring
• Encapsulated
🚚 FREE DELIVERY 3-7 Working Days
Description Exceptional Comfort and SupportThe Kayflex Reflex 1000 Ocean Blue Mattress is expertly crafted for those who prioritise comfort and su...
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Original price
£579.95
from £289.95
from £289.95
Current price
£289.95
Kayflex Sarabi 1000 Pocket Spring Mattress
• Soft to Medium Comfort
• Pocket Spring
• Foam Encapsulated
🚚 FREE DELIVERY 3-7 Working Days
Description Exceptional Comfort and SupportThe Kayflex Sarabi Mattress is thoughtfully designed for those who seek the perfect blend of support an...
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Original price
£579.95
from £289.95
from £289.95
Current price
£289.95
Kayflex Crown Memory Foam Mattress
• Soft Comfort
• Removable Cover
• Memory Foam
🚚 FREE DELIVERY 3-7 Working Days
Description Luxurious Comfort and Restful SleepThe Kayflex Crown Memory Foam Mattress is meticulously crafted for a premium sleeping experience. F...
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Original price
£679.95
from £339.95
from £339.95
Current price
£339.95
Kayflex Hibern8 Hybrid Pocket Spring Mattress
• Soft to Medium Comfort
• Pocket Spring
• Removable Cover
🚚 FREE DELIVERY 3-7 Working Days
Description Innovative Comfort and SupportThe Kayflex Hibern8 Hybrid Mattress is designed for those who prioritise comfort and restorative sleep. ...
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Original price
£679.95
from £339.95
from £339.95
Current price
£339.95
Kayflex Sleepology 1000 Pocket Spring Mattress
• Medium Comfort
• Pocket Spring
• Side Carry Handles
🚚 FREE DELIVERY 3-7 Working Days
Description Ultimate Comfort and SupportThe Kayflex Sleepology 1000 pocket sprung mattress is thoughtfully designed for those who prioritise comfo...
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Original price
£699.95
from £349.95
from £349.95
Current price
£349.95
Kayflex Pure Sleep Pocket Spring Meditation Cover Mattress
• Soft to Medium Comfort
• Pocket Spring
• Encapsulated
🚚 FREE DELIVERY 3-7 Working Days
Description Exceptional Comfort and SupportThe Kayflex Pure Sleep Meditation Cover Mattress is meticulously crafted for those seeking a serene sle...
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Original price
£719.95
from £359.95
from £359.95
Current price
£359.95
Kayflex Siberia Pocket Spring Mattress
• Medium to firm Comfort
• Pocket Spring
• Foam Encapsulated
🚚 FREE DELIVERY 3-7 Working Days
Description Luxurious Comfort and SoftnessThe Kayflex Siberia Mattress is meticulously crafted for those who prioritise a plush sleeping experienc...
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Original price
£719.95
from £359.95
from £359.95
Current price
£359.95
Kayflex Capri 1000 Pocket Spring Mattress
• Soft to Medium Comfort
• Pocket Spring
• Encapculated
🚚 FREE DELIVERY 3-7 Working Days
Description Unmatched Comfort and SupportThe Kayflex Capri Mattress is designed for those who desire a perfect blend of support and luxury. With 1...
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Original price
£759.95
from £379.95
from £379.95
Current price
£379.95
Kayflex Hibern8 Gel Infused Latex Mattress
• Medium to Firm Comfort
• Pocket Spring
• Removable Cover
🚚 FREE DELIVERY 3-7 Working Days
Description Exceptional Comfort and SupportThe Kayflex Hibern8 Gel Infused Latex Mattress is meticulously designed for those seeking the ultimate ...
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Original price
£759.95
from £379.95
from £379.95
Current price
£379.95
Kayflex Hibern8 Aurora Pocket Spring Mattress
• Soft Comfort
• Pocket Spring
• Removable Cover
🚚 FREE DELIVERY 3-7 Working Days
Description Ultimate Comfort and SupportThe Kayflex Hibern8 Aurora Mattress is expertly crafted for those who seek exceptional comfort and support...
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Original price
£759.95
from £379.95
from £379.95
Current price
£379.95
Kayflex O-Zone 2000 Pocket Spring Mattress
• Soft to Medium Comfort
• Pocket Spring
• Side Carry Handles
🚚 FREE DELIVERY 3-7 Working Days
Description Ultimate Comfort and SupportThe Kayflex O-Zone 2000 Mattress is expertly designed for those seeking superior comfort and support. Feat...
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Original price
£759.95
from £379.95
from £379.95
Current price
£379.95
Kayflex Supreme 2000 Pocket Spring Mattress
• Medium Comfort
• Pocket Spring
• Encapsulated
🚚 FREE DELIVERY 3-7 Working Days
Description Ultimate Comfort and SupportThe Kayflex Supreme 2000 Mattress is expertly crafted for those who prioritise exceptional comfort during ...
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Original price
£799.95
from £399.95
from £399.95
Current price
£399.95
Kayflex Sleepology 2000 Pocket Spring Mattress
• Medium Comfort
• Pocket Spring
• Micro-Quilted
🚚 FREE DELIVERY 3-7 Working Days
Description Ultimate Comfort and SupportThe Kayflex Sleepology 2000 pocket sprung mattress is thoughtfully designed for those who prioritise comfo...
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Original price
£869.95
from £434.95
from £434.95
Current price
£434.95
Kayflex Sapphire 1500 Pocket Spring Mattress
• Medium Comfort
• Pocket Spring
• Encapsulated
🚚 FREE DELIVERY 3-7 Working Days
Description Unrivalled Comfort and SupportThe Kayflex Sapphire Mattress is thoughtfully designed for those seeking exceptional comfort and support...
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Original price
£869.95
from £434.95
from £434.95
Current price
£434.95
Kayflex Silk 3000 Pocket Spring Mattress
• Medium to Firm Comfort
• Pocket Spring
• Removable Cover
🚚 FREE DELIVERY 3-7 Working Days
Description Ultimate Comfort and SupportThe Kayflex Silk 3000 Mattress is meticulously crafted for those in search of supreme comfort and support....
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Original price
£879.95
from £439.95
from £439.95
Current price
£439.95
Kayflex Sleepology 3500 Pocket Spring Mattress
• Medium to Firm Comfort
• Pocket Spring
• Side Carry Handles
🚚 FREE DELIVERY 3-7 Working Days
Description Ultimate Comfort and SupportThe Kayflex Sleepology 3500 pocket sprung mattress is thoughtfully designed for those who prioritise comfo...
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Original price
£919.95
from £459.95
from £459.95
Current price
£459.95
Kayflex O-Zone 3000 Pillow Top Pocket Sprung Mattress
• Medium to Firm Comfort
• Pocket Spring
• Pillow Top
🚚 FREE DELIVERY 3-7 Working Days
Description Ultimate Comfort and SupportThe Kayflex O-Zone 3000 Pillow Top Mattress is meticulously designed for those who desire a truly luxuriou...
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Original price
£969.95
from £484.95
from £484.95
Current price
£484.95
Kayflex O-Zone 4000 Pillow Top Dual Season Mattress
• Soft to Medium Comfort
• Pocket Spring
• Pillow Top
🚚 FREE DELIVERY 3-7 Working Days
Description Ultimate Comfort and SupportThe Kayflex O-Zone 4000 dual season Mattress is expertly crafted for those who seek an unparalleled level ...
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Original price
£1,019.95
from £509.95
from £509.95
Current price
£509.95
Kayflex Medicare 4000 Pocket Sprung Mattress
• Soft to Medium Comfort
• Pocket Spring
• Removable Cover
🚚 FREE DELIVERY 3-7 Working Days
Description Ultimate Comfort and SupportThe Kayflex Medicare 4000 Mattress is thoughtfully designed for those who value exceptional comfort and su...
View full detailsDifferent Types Of Encapsulation
Encapsulation can be found on any mattress— open coil, pocket spring, hybrid, and pure foam models. However, manufacturers use different encapsulation materials that suit different firmness ratings.
Some mattresses have a single piece of high-density foam that creates a solid frame, while others layer different foam densities for graduated support.
Premium models might combine reinforced springs with foam encapsulation, creating a dual support system that maximises stability while preventing sagging.
How An Encapsulated Mattress Feels
The most noticeable benefit appears when you sit or lie near the edge - there's no sensation of rolling off or sinking. The sturdy perimeter maintains its shape, giving you confidence to use the full width of your mattress.
Enhanced edge support will prove particularly valuable if you share a bed or need additional stability when getting in and out.
The expanded sleep surface also means you can use the entire mattress without gravitating toward the centre, effectively increasing your usable space by up to 20% compared to non-encapsulated designs.
The Best Encapsulated Mattresses
Our collection showcases outstanding encapsulated designs for every preference.
The Dura Beds Cloud Lite Tranquillity 1000 combines 1,000 pocket springs with Cloud Lite® Foam technology, creating a medium-comfort surface that's remarkably light yet durable.
At 27cm deep, this mattress offers exceptional edge support while maintaining cooler sleep temperatures than traditional memory foam.
The Kayflex Hibern8 features 1,200 pocket springs and gel-infused latex for superior temperature regulation.
Its foam encapsulation delivers impressive edge-to-edge stability, while the removable zipped cover adds practical convenience to luxury comfort. The medium-to-firm feel suits those seeking substantial support without compromising on comfort.
The Kayflex O-Zone 4000 boasts 4,000 pocket springs and a dual-season pillow top for ultimate luxury. The O-Zone technology creates remarkable edge support, while the flippable topper offers temperature options for year-round comfort.
The Airtex border enhances breathability, making this soft-to-medium mattress perfect for those who value versatility and premium features.
Each mattress includes free UK delivery and perfectly balances innovation and practicality. Our encapsulated range offers superior stability and comfort whether you prioritise temperature regulation, edge support, or versatility.