Rosemary Mattress - Sleep In MattressSleep In Mattress Rosemary Mattress Introducing the Rosemary by Sleep In Mattress. The Rosemary is a medium euro top mattress that provides a comfortable sleep surface, soft quilting with cooling gel memory foam as the initial comfort layer provide the optimal in cool sleep. 972 tri zone pocket coils 13 1 2 gauge Breathable bamboo fabric 1" Visco memory with 20 oz poly quilted 1" Gel memory foam for cooling comfort. 2" soya based foam. Double fibre