Sealy has been a leading mattress company for decades and its founding goes back to 1881 in – you guessed it - Sealy, Texas. These mattresses move beyond barebones beds and begin to introduce Sealy’s better features, including Posturepedic Technology . It’s now part of Tempur-Sealy Intl., the largest mattress maker in the world. Read honest and unbiased product reviews from our users. The model used in this review – the Posturepedic Optimum Guilford mattress – was ordered at Sleep Country Canada and was delivered within the expected time frame. Shop Sealy Posturepedic Chestnut Street 13.5 Cushion Firm Pillow Top Mattress- Queen online at Macys.com. Type of Construction. Sealy mattress prices span from the mid to upper-end.. Find helpful customer reviews and review ratings for Sealy Response Performance 12-Inch Cushion Firm Tight Top Mattress, Queen at Amazon.com. Our years of expertise guarantee that, whether you like soft or firm, you'll never give up comfort for support Sealy Mattress Reviews. No matter who you are or how you sleep there's a Sealy mattress designed to balance the support you need with the feel you prefer. October 30, 2020. Posturepedic Chestnut Street 13.5" Cushion Firm Pillow Top Mattress Collection Closeout $1,169.00 - 2,029.00 Sealy Response Performance Collection - from $529 (queen) and up, this part of the Response mattress line up falls in the mid-range of prices. The Sealy Posturepedic mattress will vary by retailer based on stock availability and delivery schedules, averaging between 3 to 10 days.