With layers of blended British wool and viscose, lustrous cashmere, luxurious silk, Yorkshire wool, home-grown flax, crisp cooling Egyptian cotton, sumptuous mohair, super soft alpaca and kapok. The Paros has 24000 innovative springs; including 100% recyclable advanced Cortec™ Revolution pocket springs, pressure relieving HD 2500 and HD 4000 micro springs and contouring Microlution Airflow springs. With an in-house woven FR chemical free mattress cover and four rows of side stitching, this Seasonal Turn mattress has a warming wool winter side and cooling cotton summer side.