# Extra Firm Mattresses HTML: https://sleepoutfitters.com/collections/extra-firm-mattresses ## Filters Sort & Filter ### Size TwinTwin XLFullQueenKingCalifornia KingSplit California King (1pc)Split Top King ### Brand AireloomBeautyrestKing KoilKingsdownSealySomos BedsStearns & Foster ### Product type Mattress in a BoxMattresses ### Comfort Level Extra FirmAdjustable ### Mattress Type Memory FoamHybridInnerspring ### Benefits CoolingPressure ReliefMotion SeparationEco-Friendly ### Sleep Position BackSideStomach ### Collection Aireloom Pacific PalisadesAireloom PreferredBeautyrest BlackBeautyrest SilverBeautyrest World ClassKing Koil SmartLifeKingsdown S SeriesSealy Golden EleganceSealy Posturepedic PlusStearns & Foster EstateStearns & Foster Lux Estate ## Product Grid Free Gift with Purchase!![Beautyrest World Class Dreamwell Belmont Extra Firm Mattress](/products/beautyrest-world-class-dreamwell-belmont-extra-firm-mattress)10 ReviewsFrom$1,399Save $450 Today![Kingsdown Santino Hybrid Ultra Firm Mattress](/products/kingsdown-santino-hybrid-ultra-firm-mattress)From$3,949.99$3,499.99Free Gift with Purchase![Beautyrest Black Series One Extra Firm Mattress](/products/beautyrest-black-series-one-extra-firm-mattress)3502 ReviewsFrom$1,749Free Gift with Purchase![Stearns & Foster Estate Ultra Firm Mattress](/products/stearns-foster-estate-ultra-firm-mattress)2800 ReviewsFrom$2,399Save $100 Today![Sealy Posturepedic® Plus Cranford Grove Ultra Firm Mattress](/products/sealy-posturepedic-plus-cranford-grove-ultra-firm-mattress)116 ReviewsFrom$1,299.99$1,199.99Save $200 Today!Free Gift with Purchase![Aireloom Ballad Ultra Firm Mattress](/products/aireloom-ballad-ultra-firm-mattress)From$3,299.99$3,099.99Free Gift with Purchase![Stearns & Foster Lux Estate Ultra Firm Mattress](/products/stearns-foster-lux-estate-ultra-firm-mattress)2800 ReviewsFrom$3,199Save $700 Today![Beautyrest Silver® BRS900 Extra Firm Mattress](/products/beautyrest-silver-extra-firm)55 ReviewsFrom$1,299.99$599.99Save $200 Today!Free Gift with Purchase![Aireloom Etude Extra Firm Mattress](/products/aireloom-etude-extra-firm)From$4,599.99$4,399.99Free Gift with Purchase![Beautyrest Black Series Three Extra Firm Mattress](/products/beautyrest-black-series-three-extra-firm-mattress)3502 ReviewsFrom$3,449Save $100 Today![SomosBeds Essential Extra Firm Mattress](/products/somosbeds-essential-extra-firm-mattress)From$349.99$249.99Free Gift with Purchase![SmartLife Calla Adjustable Mattress](/products/smartlife-calla-plush-mattress)From$5,199Free Gift with Purchase![SmartLife Lily 2.0 Adjustable Mattress](/products/smartlife-medium-adjustable-mattress)From$4,699[Aireloom Tangier Extra Firm Mattress](/products/aireloom-tangier-extra-firm-mattress)From$4,699.99 ### What is an extra firm mattress? ### What is the difference between a firm and an extra firm mattress? ### Who should sleep on an extra firm mattress? ### Is an extra firm mattress good for back pain? ### Can you make an extra firm mattress feel softer? ### How long does an extra firm mattress take to break in?