Offering Saint Louis the largest selection of Tempur-Pedic mattresses, pillows, and accessories. We are Saint Louis’ only COMPLETE Tempur-Pedic gallery, featuring every mattress model, pillow, and accessory available. If Tempur-Pedic makes it, you can find it at The Back Store. The Back Store is, “A Completely Unique Tempur-Pedic Boutique.” Sleep Well. We’ve Got Your Back.