Marshall elegant lines and a lot of technology guarantee everyone the deepest sleep. Comfortable and breathable, the Wool model available here ensures a pleasant welcome all year round: the most exclusive solutions await you. The model available here promotes the best rest every night: for a peaceful everyday life, it is essential to sleep on a mattress of great value. In the Wool double mattresses by J. The THE-MATTRESSES-No-4 J Marshall mattress is breathable and comfortable and knows how to benefit the body, guaranteeing optimal support for the back. Sleeping on a good mattress model promotes relaxation of the muscles and a peaceful and restorative sleep, which is synonymous with a peaceful and active life.