Mysa Duo Mattress

The Duo is a dual-firmness mattress with a medium side and a firm side. Not sure which firmness suits you? Start on one, sleep on it for a few weeks, and flip it whenever you want.

• Medium on one side, firm on the other - just flip to switch
• AeroSync HR-GX® comfort foam on both sides for pressure relief
• 20+ targeted pressure-relief zones to ease tension and support circulation
• BeFree® breathable 3D mesh cover for airflow and cooler sleep
• Flippable design extends the mattress lifespan
• Hypoallergenic, vegan-friendly, and made in Manchester
  

The Duo gives you two distinct feels in one mattress:

• Medium side - a softer, more cushioned feel that lets you sink in slightly. Relieves pressure at the shoulders and hips. Best for side sleepers, lighter builds, and anyone who prefers a gentler surface.
• Firm side - a denser, more supportive feel that keeps you sleeping on top of the mattress. Provides flat, even support across the body. Best for back and front sleepers, heavier builds, and anyone who prefers solid support.

Both sides share the same durable base core and breathable cooling cover, with excellent motion isolation on both sides.

Which side should you start on? If you're not sure, we recommend starting on the medium side. Most sleepers adjust to it quickly, and you can always flip to firm if you want more support.

From top to bottom (medium side up):

• BeFree® 3D mesh cover - breathable, removable cover designed to promote airflow and regulate temperature
• AeroSync HR-GX® medium comfort layer - responsive foam that contours to your body for pressure relief
• AeroSync HR-GX® firm comfort layer - denser foam for flat, solid support (flip the mattress to sleep on this side)

All foams are hypoallergenic and manufactured in our Manchester factory.

120-Night Sleep Trial Try your Duo for up to 120 nights. We ask that you sleep on it for a minimum of 50 nights before requesting a change - this gives your body time to adjust. If it's not right, you can exchange it for a different mysa mattress for a one-off £99 exchange fee. A mattress protector must be used throughout the trial. One exchange per order. Full details on our Sleep Trial page.

Delivery Free UK delivery as standard. Need it sooner? Next-day delivery is available when you order before 12pm. Your mattress arrives vacuum-packed and ready to set up - just unbox, unroll, and let it expand for up to 24 hours.

10-Year Guarantee Every Duo is backed by a 10-year guarantee on the mattress core and a 1-year guarantee on the cover. If a manufacturing defect occurs under normal use, we'll repair or replace it. Full details in our Terms & Conditions.

Returns Unopened mattresses can be returned within 14 days. A £20 collection fee applies. Opened mattresses are covered under the sleep trial exchange process above, not as a standard return. Full details on our Returns page.