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One Third 3000 Pocket Spring Pillowtop Mattress - Vacuum packed In one Box

One Third 3000 Pocket Spring Pillowtop Mattress - Vacuum packed In one Box

£259.99 GBP
£759.99 GBP £259.99 GBP
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Perfect for plush comfort

A cushioned pillowtop adds a softer, more luxurious feel.

Best for spinal alignment

Balanced support helps keep your body comfortably aligned.

10 Year Guarantee

Long-lasting quality you can sleep on with confidence.

365 Night Trial

Try it at home for a full year.

Size
Add Mattress Removal
We'll remove your old mattress and dispose of it responsibly, so you don't have to lift a thing.
£50
365 Night Trial
Fast & Free Delivery Arrives in 5–7 working days
10 Year Warranty

One Third 3000 Pocket Spring Pillowtop Mattress - Vacuum packed In one Box Details

Product Details

Experience advanced comfort with the One Third 3000 Pocket Spring Pillowtop Mattress - Vacuum packed In one Box, engineered for balanced support and cooling sleep. The latex-feel comfort layer provides gentle bounce and responsiveness, while gel-infused memory foam contours to your body and helps regulate temperature throughout the night.

Designed to relieve pressure points and support healthy spinal alignment, this mattress is ideal for back, side, and combination sleepers. Vacuum packed and rolled into one box, it is easy to transport, move, and set up—simply unbox, unroll, and allow it to expand.

Key Features:

  • Latex-feel comfort layer for responsive support

  • Gel memory foam for pressure relief and cooling

  • Medium-firm comfort for balanced support

  • Motion isolation for uninterrupted sleep

Dimensions

Single: 90 × 190 × 28 cm

Double: 135 × 190 × 28 cm

King: 150 × 200 × 28 cm

Super King: 180 × 200 × 28 cm

Shipping Policy

We offer fast and reliable delivery across UK. Orders are typically delivered within 5-7 working days. Cash on Delivery (COD) is available. You will receive a confirmation call before dispatch.

365-Night Trial

Sleep on it for 365 nights. If it’s not right, we’ll arrange a free return.

10-Year Warranty

Enjoy peace of mind with our 10-year warranty covering manufacturing defects and long-term durability.

View full details

Six layers. The spring does the heavy lifting.

1

Premium Quilted Knit Cover

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A soft, premium quilted knit cover designed to give the mattress a smooth and luxurious feel. It adds surface comfort, improves breathability, and creates a gentle sleeping experience while helping maintain a fresh and cozy top layer.
2

Gel Memory Foam Layer

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This gel-infused memory foam layer helps provide a cooler sleep surface while gently adapting to the shape of your body. It supports pressure relief, reduces heat build-up, and adds a plush comfort feel for a more relaxing sleep.
3

High Density Comfort Foam

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A durable comfort foam layer that adds balanced cushioning and extra support. It helps distribute body weight evenly, enhances comfort, and contributes to a more stable and supportive sleeping surface.
4

3000 Pocket Spring Mattress

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The pocket spring system is designed to provide responsive support and better motion isolation. Each spring works independently to support different areas of the body, improve comfort, and help reduce partner disturbance during sleep.
5

Edge to Edge Support Foam

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This support foam surrounds and reinforces the mattress structure from edge to edge. It helps improve stability, prevents edge sagging, and allows you to use the full sleeping surface more comfortably.
6

Breathable Airflow Border

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A breathable airflow border promotes better air circulation throughout the mattress. It helps release trapped heat, improves ventilation, and supports a fresher, cooler sleeping environment night after night.
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Springs do things foam can't. That's the point.

Natural airflow through the core

Pocket springs create open space inside the mattress. Air circulates freely through the spring layer with every movement, making hybrids naturally cooler than all-foam designs — no added gel required

Instant response, not slow sink

Instant response, not slow sink

Springs push back. Foam cradles. The Rise combines both — so you get the pressure relief of memory foam on top, with enough spring response underneath to make moving around in bed effortless rather than a wrestling match.

Reinforced edge support

The encapsulated spring system provides structural support all the way to the mattress edge. You can sit on the side of the bed or sleep near the edge without that uncomfortable rolling-off feeling of an all-foam mattress.

The "Just Right" Feel

The "Just Right" Feel

We designed the Classic to be a crowd-pleaser. Rated as a 6.5 out of 10 (Medium-Firm), it sits right in the sweet spot. It offers that initial soft sink that cradles your joints, backed up by a firm base that keeps your spine aligned. It works for side, back, and front sleepers alike.

WHY THE WINDSOR

Comfort that cools, support that lasts, and softness you feel from the first night.

01 — Cooling

Cooler sleep, fresher comfort

The gel memory foam layer helps reduce heat build-up while the breathable airflow border allows air to move through the mattress, keeping the sleep surface fresh and comfortable through the night.

02 —Pressure Relief

Gentle support where your body needs it

The gel memory foam adapts to your body shape and helps relieve pressure from shoulders, back, and hips, giving you a softer and more relaxing sleep feel.

03 — Comfort

Soft top feel with stable support

The premium quilted knit cover adds a smooth, plush surface, while the high density comfort foam gives balanced cushioning so the mattress feels soft without losing support.

04 — Motion Isolation

Independent springs. Less disturbance.

The 3000 pocket spring system moves independently under your body, helping reduce partner movement transfer so you can enjoy a more peaceful and undisturbed sleep.

05 — Edge Support

Comfort from center to edge

The edge to edge support foam reinforces the mattress sides, helping prevent sagging and giving you more usable sleeping space from one side to the other.

06 — Durability

Built to hold its shape longer

High density foam, reinforced edges, and pocket springs work together to keep the mattress stable, supportive, and comfortable for long-term everyday use.