30 Nights.
Free collection & returns.
Next day or a day of your choice.
Sat deliveries available.
The ONLY mattress-in-a-box brand trading longer than their warranty period.
Better quality, lasts longer. Our confident warranty period guarantees peace of mind.
As the UK's original mattress-in-a-box pioneer, Ergoflex has delivered advanced orthopaedic pressure relief and sleep comfort since 2006. Backed by an industry-leading 4.8 out of 5 TrustScore from thousands of independent customer reviews, the Ergoflex® 5G is engineered using premium, high-density materials designed for immediate comfort, long-term structural support and a tried-and-trusted lifespan.
Our signature true high-density visco-elastic memory foam provides targeted, body-cradling support that actively alleviates joint pressure and back pain. A Cool-Sleep® airflow system promotes continuous ventilation, preventing heat retention for a balanced sleep temperature. The high-resilience base layer is an impact-resistant foundation that ensures the Ergoflex 5G's legendary durability and prevents sagging over time.
Wrapped in a naturally breathable, removable and washable TENCEL® outer cover, the Ergoflex® 5G combines premium materials with exceptional value, comfortably outperforming the competition in real-world performance.
*Saving represented against Direct Competitor Price. Direct Competitor Price refers to the closest comparable premium mattress to the Ergoflex® 5G. Find out more about how we compare.
Copyright © Ergoflex™ 2026
Ergoflex Limited: 246 Park View, Tyne and Wear, NE26 3QX. Company registration number: 6187613. VAT number: 917666001 Registered in England.
Ergoflex is acting as a credit broker and not a lender. Finance is provided by Omni Capital Retail Finance Limited.
Your application will be subject to a credit check using a recognised credit reference agency as part of our assessment process. Credit is subject to status, and is limited to UK residents aged 18 years and over. You can find Omni Capital Retail Finance's Terms and Conditions at www.omnicapitalretailfinance.co.uk
Finance is provided by Omni Capital Retail Finance Ltd which is a credit provider/lender. Ergoflex Limited does not receive payment for introducing customers to Omni Capital Retail Finance. Omni Capital Retail Finance Ltd finance options are subject to individual status, and terms and conditions apply. Omni Capital Retail Finance Ltd is registered in England and Wales with company number 7232938. Registered address: 10 Norwich Street, London, EC4A 1BD. Authorised and regulated by the Financial Conduct Authority, Firm Reference Number: 720279.
