The whole ethos of Avocado Mattress is its use of organic materials and focus on eco-friendly manufacturing practices. One of the most sustainable companies on the market, Avocado Mattress is a Certified B Corporation and is one of only three mattress brands in the world that are MADE SAFE certified. The brand uses a combination of wool, cotton, Dunlop latex and pocketed coils which are Greenguard Gold certified, GOTS and GOLS-certified. It’s hardly surprising that it has a spot in the top three in our best organic mattress guide and features in our list for the best hybrid mattress.