This mattress features innovative sustainable sleep technologies. Its deep e-spring core is topped with micro e-pocket springs for adaptable posture support throughout the night. These springs are cushioned with a deep supportive layer of rebound e-fiber and super soft advanced e-fiber. Made in the UK and designed with the environment in mind, this mattress's micro e-pocket springs, are one of the most advanced pocket spring technologies available today; sonic welded fabric pockets remove the need for glue, making them easier to recycle at end of life. All mattresses are 100% foam-free and feature an eco-award-winning advance. This super-soft advanced e-fiber not only helps improve moisture and temperature regulation but is also proven to offer significant environmental benefits* including 90% fewer CO2 emissions, 99% less water used, and 99% reduced land use*. Statistics are based on the life cycle analysis of advanced e-fiber when compared to cotton. Results were verified by an independent body. The e-fiber comfort layers used in these mattresses are made from 100% recyclable plastic bottles, diverting over 70 million from going into landfills or our oceans, and by choosing this mattress you are helping to prevent even more! Vacuum packed and rolled to maintain freshness and reduce carbon emissions during transportation.