Download a new browser
shop by size
featured
UK's most trusted sleep brand
Lifetime product guarantee
B-Corp Certified
shop by type
buying guides
UK's most trusted sleep brand
Lifetime product guarantee
B-Corp Certified
shop by type
cosy starts here
UK's most trusted sleep brand
FREE UK delivery over £49
rigorous safety testing
shop by size
featured
UK's most trusted sleep brand
Lifetime product guarantee
B-Corp Certified
shop by type
buying guides
UK's most trusted sleep brand
Lifetime product guarantee
B-Corp Certified
shop by type
cosy starts here
UK's most trusted sleep brand
FREE UK delivery over £49
rigorous safety testing
Perfect for back sleepers, our extra firm mattresses are designed to offer the most robust sleep surface available, ensuring your spine remains perfectly aligned and supported throughout the night. What’s more, your mattress may last longer with firm mattresses holding their shape for longer than other firmness options.
Our extra firm mattresses provide unwavering firmness, giving you the support you need to wake up feeling refreshed and pain-free. Our mattresses are tried and tested to make sure we’re offering you the highest level of support. Ready to experience the benefits of an extra firm mattress? Discover our range and enjoy the ultimate in supportive sleep. If you prefer a slightly softer feel, explore our collection of firm mattresses.
To explore your options further, check out our how to choose the perfect mattress guide.
Don’t forget, we also offer a lifetime guarantee on our mattresses to give you extra confidence in your purchase decision.
Not necessarily as they provide acompletely flat and robust surface,which can actually worsen back pain as there’s no give. But this can vary by person and position, especially if you sleep on your front. As long as you make sure anypressure points are relieved and your spine is completely straight, the choice is down to you.
Yes, an extra firm mattress feels extremely supportive and rigid, offering the maximum level of stability with minimal give, perfect for anyone who requires a very firm sleep surface.
Yes, an extra firm mattress can help improve posture by providing strong support, ensuring your spine remains in a neutral position while you sleep.
Yes, but only by a little. Once you begin to sleep on your extra firm mattress, the materials will start to break in, causing the surface to soften slightly. What’s more, as the years go by, foams and springs wear down and naturally lose their firmness. It’ll also likely feel softer the more you sleep on it as you’ll adjust.
They’re not recommended, no. Extra firm mattresses don’t let your shoulders and hips sink in, the heaviest areas of the body in this position. This then causes further pressure and your spine could misalign. We recommend a medium-firm mattress if you like to sleep on your side.
Not really, no. Medium firm mattresses are a much better option as they offer some suppleness while promoting spinal alignment and pressure relief, whereas extra firm mattresses offer a very solid surface which can put more pressure on your joints, cause spinal misalignment andleave you feeling stiff.
Add another item to compare
Add another item to compare
Add another item to compare
Add another item to compare