Box spring base onlythere are a number of reasons for using a box spring such as to raise the mattress height making it easier to get in and out of bed to reduce wear to the mattress and to create a flat and firm structure for the mattress to lie uponmore and more boxsprings are being made out of wood and then covered in fabrics wood makes a better support system for the newer memory foam and latex mattresses the newest design in boxsprings is the folding box spring made of wood then covered in