Get the best foundation for your Kingsdown mattress with the Kingsdown Low Profile 5 inch Wood Foundation. The Kingsdown Low Profile 5 Inch Wood Foundation provides a uniquely designed, dynamic support system for Kingsdown mattresses that optimizes mattress performance and supports the body for optimal restorative sleep. Handcrafted in the USA with premium quality materials, this highly effectual foundation is built to last for years to come.