• Bedroom with a bed featuring a gray mattress and white bedding, flanked by two nightstands.
  • Mattress on a white background
  • Mattress with features highlighted for different sleep positions on a white background
  • Mattress with firmness scale on a white background
  • Dark blue background with white text and 'One Third' logo.
  • Layered mattress structure with labeled components on a blue background
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The Drift Pro - Memory Foam Mattress - Medium Firm

The Drift Pro - Memory Foam Mattress - Medium Firm

£259.99 GBP
£389.99 GBP £259.99 GBP
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Best for targeted support

Zoned support helps the lumbar, hips and legs stay aligned.

Perfect for cooler sleep

Breathable airflow layers help regulate temperature.

10 Year Guarantee

Long-lasting quality you can sleep on with confidence.

365 Night Trial

Try it at home for a full year.

Size
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We'll remove your old mattress and dispose of it responsibly, so you don't have to lift a thing.
£50
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365 Night Trial Sleep on it for a full year
Fast & Free Delivery Arrives in 5–7 working days
10 Year Warranty Guaranteed quality & durability

The Drift Pro - Memory Foam Mattress - Medium Firm Details

Product Details +

Everything in The Drift — then taken further. Six precisely engineered layers including a honeycomb-zoned support core and dual-action cooling system, built for those who take their sleep seriously.


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. Engineered in sequence, not stacked by chance.

1

SilkChill™ Quilted Surface

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A deep-quilted woven top that's soft enough to feel luxurious from the first night, while its phase-change fibres actively regulate your skin temperature so you're neither too warm nor too cool at the surface.
2

AirChannel Open-Cell Foam

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Open-cell foam with vertical air channels cut through its structure. Heat and moisture generated during sleep travel up through this layer and disperse — rather than building up and disturbing you later in the night.
3

BodyConform Pro Foam

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A deeper, more responsive adaptive foam than the standard Drift. It reads your weight distribution and moulds around your shoulders, hips, and lower back — reducing the need for pressure-relief tosses and turns through the night.
4

HexZone™ Support Core

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The Drift Pro's signature layer. Honeycomb geometry is cut directly into the foam, creating distinct support zones that respond differently under your lumbar, hips, and legs. Firmer where you need structure; softer where you need to sink.
5

Graduated Density Buffer

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A transitional layer that bridges the responsive comfort foam above with the solid base below. By stepping down in density gradually, it prevents the "landing on a hard floor" feeling that cheaper mattresses can create beneath their comfort layers.
6

StillCore Pro Base

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An uprated version of the StillCore base — denser, heavier, with a wider wave-break structure that absorbs and dissipates motion faster. Even if you're a light sleeper sharing a bed, a partner shift won't register as anything more than a faint suggestion.
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More depth. More precision. Same commitment to honest sleep.

Two-stage temperature control

The SilkChill™ surface regulates at the skin level, while the AirChannel layer pushes accumulated heat away from your body. Two separate systems working together means you stay at the right temperature across a full night's sleep.

Honeycomb-cut zoning

Honeycomb-cut zoning

The HexZone™ core isn't just a marketing term — the honeycomb geometry is physically cut into the foam, creating distinct support characteristics at your lumbar, hips, and legs. Your spine doesn't lie in one uniform position all night; neither should your mattress respond uniformly.

Deeper pressure relief

At 28cm, the Drift Pro has 3cm more total depth than the standard Drift. That extra material sits in the comfort layers — meaning more foam responds to your body before it reaches the support core. Better cushioning for heavier sleepers and anyone prone to joint discomfort.

The Perfect Fit Comfort

The Perfect Fit Comfort

We've nailed the sweet spot. On a scale of 1 (marshmallow) to 10 (floor), the Premier Hybrid sits at a comfortable 7 (Medium - Firm). It gives you that initial "ahhh" sink of memory foam, but the springs kick in to provide the support your back actually needs. Perfect for side, back, and front sleepers alike.

WHY THE DRIFT PRO

More depth. More precision. Same commitment to honest sleep.

Two-stage temperature control

SilkChill™ cools at the surface while AirChannel moves heat away—keeping you comfortable all night.

Honeycomb-cut zoning

HexZone™ uses a honeycomb-cut core to give targeted support to your lumbar, hips, and legs—because your body doesn’t need uniform support all night.

Deeper pressure relief

At 28cm, Drift Pro adds 3cm of extra comfort layers for deeper cushioning—ideal for heavier sleepers and joint relief.

Enhanced motion isolation

The upgraded StillCore Pro base is denser and absorbs movement faster—ideal for couples with different sleep patterns.

10 Year guarantee

Every One Third mattress comes with a 10 Year guarantee—if something goes wrong, we repair or replace it. No small print.

365 nights to decide

You get 365 nights to adjust and decide—free collection if it’s not right for you.