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Casoli 1200 by Sealy at Mattressman

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Casoli 1200 Main Image


Sealy’s Casoli 1200 has a deep, 4cm, layer of latex that ensures each of the 1200 pocket springs are used to their fullest potential. Having completed orthopaedic testing, Sealy zonally arrange their pocket springs inside the mattress to offer better support and relieve pressure on vulnerable joints.

This award-winning mattress is an excellent choice for allergy sufferers who feel that their symptoms are exacerbated in bed. Ensuring a hygienically clean sleep, the Sealy Casoli 1200 uses an inspired mix of Innergetic latex, Purotex and temperature regulating Tencel to finish the mattress. Tencel regulates the temperature of the sleeper, keeping them at the perfect temperature throughout the night, while Purotex, the anti-allergy technology, combats all the typical allergy triggers, such as mould and dust mites. We hate dust mites.

A unicase design surrounds the pocket springs to stop the mattress from sagging and provide extra edge-to-edge support. Made in the U.K.

Staff Recommended

The Casoli mattress is a very good alternative to the normal combo pocket and memory foam mattresses as it will give you all the same comfort without the heat of a foam mattress. This mattress is alo very good for people that have allergies as it contains anti-dustmite properties.

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Newest Reviews

R L Verified Buyer
02/02/2018 16:13:51

Disappointed with this mattress, it’s very comfortable but the memory foam makes us far to hot, we have been sleeping with the summer duvet on but still wake up during the night feeling too hot. Am dreading next summer as wont be able to sleep well. We were told when we bought the mattress that is was a climate control , ie cool in summer etc but this has not been the case , just makes feel too hot. We should have returned it but we were away and went past the the 6 weeks return date .

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AMY C Verified Buyer
02/12/2017 00:05:23

Very comfortable and we are sleeping well.

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JEAN S Verified Buyer
22/09/2017 00:28:21

sorrry the mattress sagged in the middle not as good as my old one can not afford to try again at £40 a time for delivery

Was This Review Helpful? 0 3

KASHIFA K Verified Buyer
15/06/2017 14:32:31

Amazing mattress. No regrets. Very comfortable and cool to sleep on.

Was This Review Helpful? 1 0

ALAN C Verified Buyer
08/12/2016 10:12:36

A great mattress exactly as described . Extremely firm and comfortable . Mattressman delivered exactly to schedule and their deliverymen could not be faulted. I have no hesitation in recommending the company or the mattress.

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JB W Verified Buyer
24/06/2016 17:43:42

Incredibly hot to sleep on, sadly have had to return. Having read all the reviews I thought I might have found mattress heaven but sadly not. If you prefer to sleep in a cool bed this is not the mattress for you.

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JAKE W Verified Buyer
13/06/2016 20:12:10

The king size mattress is short of 5ft by about 2inches

Was This Review Helpful? 4 1

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Most Helpful Reviews

PAUL B Verified Buyer
04/11/2014 09:28:47

Harder than I thought considering it`s medium.

Was This Review Helpful? 14 2

DEBORAH C Verified Buyer
29/06/2015 20:02:57

Very good mattress; bought a second one for guest bed as first so good. Feels slightly firmer on a platform bed than on a slatted base bed but still extremely comfortable. Recommend. p.s. Delivery service guys and shop advice excellent too.

Was This Review Helpful? 10 0

G C Verified Buyer
21/08/2015 08:50:13

Lovely mattress does have an odd chemical smell and my goodness the duvet togg needs to be reduduced but its only been one night, will re review in a month

Was This Review Helpful? 8 0

Customer Price £100
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  • 40mm latex providing comfort and preventing overheating due to the natural cooling properties
  • Hypoallergenic fillings and fabric
  • Made in Britain



is the level of support to the body, suitable for all average weighted people. This is not a comfort rating.

1200 Pocket Springs

in a 5'. Each spring is encapsulated in fabric, body moulding, no roll together, quiet and perfect for side sleeping.

Fibre Fillings

fillings are 100% polyester, man made, very durable, great recovery.


moulds well to your body contours, Cooler than memory foam and naturaly antibacterial, sourced from rubber trees.

Mattress Depth

28 cm

Anti Allergy

recommended, this mattress is suitable for allergy sufferers due to its fillings and fabric.

Knitted Cover

that stretches with the moulding of the mattress, having great elasticity and breathing qualities.

Micro Quilted

A finish to the mattress created by stitching together the fabric and fillings, creating a patterned comfort quilt layer.

One Sided

mattress, no need to turn this mattress, but rotation is recommended.

Source 2

Domestic Flamability Rated Source 2 for Low Hazard, General Domestic use

Made In the U.K.

This product is made in Britain

5yrs Warranty

This product has a 5 Year Warranty, inclusive of any guarantee period. More info

Care Leaflet

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Essential Extras

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