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£616.99
The Capsule Gel combines a 1500 pocket spring unit with a 30 mm cooling gel layer. It has a medium-firm feel and suits side sleepers and anyone wanting extra back support.
The gel helps relieve pressure and keeps the sleeping surface cooler through the night.
- 3 sizes. All measurements are below
- Free delivery, usually 1 to 2 weeks
Complete the set from the Capsule range
See every piece in the offerOffers don't combine. If your basket also qualifies for 20% off a mattress with a bed, we apply whichever saves you more.
- 14-day returns
- Questions? Call 0333 335 7124
- Secure checkout
- Pay in 3 with Klarna or PayPal, subject to eligibility

Capsule Gel Quality Mattress – White
Double 135cm 4ft 6in
£616.99
About this product
Delivery, returns and assembly
Questions people ask
How firm is it?
Medium-firm.
Are the edges supportive?
Yes. Foam-encased side walls give the edges extra stability.
Who does it suit?
Side sleepers and people who want extra back support.
What size is it?
Double (135 cm, 4 ft 6 in): W135 × D190 × H23 cm; King (150 cm, 5 ft): W150 × D198 × H23 cm; Super King (180 cm, 6 ft): W180 × D198 × H23 cm. Measured at the widest, longest and tallest points, assembled.
How long does delivery take?
Free delivery to England, Wales and most of Scotland, usually in 1 to 2 weeks. We will be in touch to arrange the day.
Can I return it?
Yes. Tell us within 14 days of delivery and you then have a further 14 days to send it back. The full details are in our returns policy.
Questions about this product?
Sizes, colours, delivery or anything else, we’re happy to help.

