Budget friendly by design, the Lakeland mattress by Therapedic has a firm level of padding. Affordable support! Wake up refreshed with this innerspring mattress and foundation that is rated a great value. The Mattress Doctor offers a sleep solution for every budget! The innerspring unit in the Lakeland is the VertiCoil™ Edge 460 from Leggett & Platt®. This unit offers 18% more springs than the industry standard and is a very modern progressive resistance design. The springs are double-tempered so they'll last a very long time.