The Sferra Sonno Notte Mattress Collection is a premium hybrid mattress offering a superlative balance of support and cradle for restful, restorative sleep. It is made by hand in the USA and comprised of nearly 1000 individually pocketed innerspring coils and layers of cotton, wool, and all natural Talalay latex for individualized support and tension release. Each Sonno Notte mattress is fully tufted by hand and secured with wool rosettes to prevent shifting and settling over time, for a longer lasting mattress. The Luxury Firm Mattress offers firm support but is soft enough for side, back or stomach sleepers. Features an advanced zoned innerspring system and layering technology. Suitable for side, back or stomach sleepers. Compatible with an adjustable base. 13” mattress height.