Symbio Fusion. Memory foam comfort pillow. The ergonomic pillow of your dreams. Clever ergonomic design. The clever ergonomic design holds you gently as you sleep. Back, shoulders and neck are given extra support, whether you sleep on your side or on your back. The Symbio? Fusion pillow is filled with 100% Symbio? memory foam that adapts to your every move. For all seasons. The Symbio Fusion pillow has two different sides to ensure optimum comfort in every season. The soft velour winter side will keep you comfortable in colder weather, whilst the 3D-Tex on the grey summer side will keep you pleasantly cool as temperatures rise. Easy Care. As with all Symbio products, the cover is fully removable and washable. Your Symbio? Fusion pillow fits a standard 50 x 70 cm pillowcase.