Simmons Hybrid Foam Mattresses from $319 Free Shipping Get it at BuyDig Check it out These use a hybrid construction of foam and coil. Brad's Deals Editor David, Details Get a Simmons Beautyrest 10" Hybrid Memory Foam Mattress with prices starting at $319 when you use code SIMMONS in the cart at BuyDig. Delivery is free. The lowest price is for a 10" twin mattress, which drops from $899 to $319 shipped. That's the best price by $45. The full size drops to $369, the queen drops to $419, and king drops to $519. These are made of a hybrid of coil and memory foam. Sales tax is charged in most states. Advertiser Disclosure How to get it Apply code SIMMONS in the cart.