Here's what I found out. The REM-Fit Halo mattress topper is only available from REM-Fit, and it'll cost you £149 for a single, £189 for a double, £219 for a king and £249 for a super king ...

Plus, there are various sizes to suit all bed sizes; from single to king size. We have curated the best mattress toppers for every shoppers' needs, from bestsellers to those with top reviews ...