Spiral Spring Mattresses in Three Filling Variants Discover our exclusive assortment of spiral spring mattresses, designed to offer maximum comfort and support. Available in three types of padding, designed to meet every sleeping need: Wool Mattress (15 kg of Pure Wool): Perfect for those looking for a traditional sleeping experience, this mattress is filled with 15 kg of pure wool, known for its thermoregulatory and breathable properties. Wool creates a cozy and warm environment, ideal for colder climates. Wool and Cotton Mattress (8 kg of Wool + 8 kg of Cotton per Side): This option perfectly balances softness and breathability, with 8 kg of wool and 8 kg of cotton per side. Cotton increases air circulation inside the mattress, while wool maintains a comfortable temperature during rest. Cotton Mattress (14 kg of Cotton): Ideal for those who prefer a completely breathable solution, this mattress is entirely filled with high quality cotton. Cotton is known for its ability to dissipate heat and moisture, ensuring a cool and relaxing sleep. Technical features: All our mattresses are supported by sturdy spiral springs that ensure optimal support and even weight distribution. The spring structure also ensures a long service life, maintaining the integrity of the mattress over time.