Page template,page template full_width,page template full_width php,page,page id ,ajax_updown_fade,page_not_loaded,,select theme ver ,wpb js composer .The core of the mattress supports the sleeper’s body. Modern spring mattress cores, often called “innersprings,” are made up of steel coil springs, or “coils.”.PureSleep Mattress Stores carry everything from memory foam to pillow top mattresses. Browse our wide selection of mattress sizes and styles today. Art Van PureSleep .Shop Art Van PureSleep for your new queen mattress. Many comfort levels in stock. Visit a Midwest based store or at artvan.com today. >.Simmons Beautyrest Recharge World Class Phillipsburg II Luxury Firm Queen Size Mattress.