Which?\'s top scoring mattress the perfect fusion of spring and foam. Springs or foam? It’s a toughie but they’ve made the decision easier than ever with the original hybrid mattress. They combined over 800 full-sized pocket springs and plenty of luscious layers of their memory and cooling foams the original hybrid guarantees 25cm of cloud-like comfort. Full sized springs ensure a cool circulation of air while the foam they use is 30 times more breathable than the traditional stuff. Oustanding Reviews “I’ve always struggled to have a good night’s sleep and regularly wake up feeling tired and achey but that has all changed since purchasing the eve hybrid mattress. It is so comfy and I feel supported when I sleep and haven’t had a bad night since! Would highly highly recommend.” - Millie A. UK MAINLAND DELIVERY ONLY: PLEASE NOTE YOUR ORDER WILL BE CANCELLED AFTER PURCHASING IF YOU ORDER TO AN ADDRESS OUTSIDE OF THE UK MAINLAND. Dimensions Size: Double 135cm x 190cm Depth: 25cm Materials The white top panel of the mattress (98% polyester and 2% elastane) can be unzipped and popped in the wash at 40°C. Do not bleach iron dry clean or tumble dry. Mattress Firmness The original hybrid mattress has a medium-firm feel. They use full-size 12 cm springs to provide superior support for all sleepers. Care Instructions The original hybrid mattress was designed and manufactured in the UK. You don’t need to flip your mattress but you might need to rotate it 180° every now and then to get the most from it.  Quality & Safety For a safe and healthy sleep all foam materials they use are CertiPUR® certified and the washable top cover is Oekotex certified - meaning they have been independently tested to ensure they contain no harmful chemicals. They source our raw materials from National Bed Federation members to make sure they’re the highest quality. All foam in the manufacture of eve\'s mattresses are CFC and PBDE free and all components comply with UK fire regulations BS 7177:2008 +A1:2011 Low hazard for domestic use. They also make the mattress using ISO 9001 quality standards. From the first cut of the foam to the finished product they make sure each mattress has strict quality checks. And for the highest safety and quality they continually test eve\'s foams. Features Whichever way you sleep the original hybrid mattress responds to your body and keeps you supported for a peaceful slumber. Take a peek inside to find out how... The Top Cover - The moisture-wicking material of this top panel stops you getting hot and clammy - a bit like sticking one leg out from underneath the cover. The evecomfort Foam Layer -  The springy foam offers great support for your bony bits and helps to keep your spine aligned. It\'s also ultra breathable so you\'re not too hot and not too cold but just right. The Memory Layer - What’s the perfect partner to a springier foam? Something that brings light relief. The memory layer provides a snug softness and keeps the pressure off. Some say it’s like a surprisingly supportive cloud. The Support Layer - They protect their beloved springs with foam layers. It also gives your mattress some extra side support so you don’t get that ‘rolling off’ sensation at the edge. The Pocket Springs - Over 800 12 cm full sized springs individually respond to the body’s movements and ease the pressure from your shoulders and hips for a comfortable night - whether you sleep on your back front or side. The Extra Support - Another 3.5 cm layer of foam for extra-added support. The Side and Base Cover - They’ve used a polyester fabric to make things more breathable and to prevent wear and tear. 10 Year Warranty eve make their mattresses to last but if anything goes wrong they’ve got you covered with a 10-year warranty. This covers performance issues including any problems with materials or manufacture as well as splits and cracks in your mattress providing you have used and handled the mattress properly.