Feel renewed with the Purple Restore Plus Firm Twin XL Mattress. At its core are individually wrapped responsive coils from edge-to-edge with Edge Support Foam and a thick layer of firm Comfort Foam that boost shape retention and make getting in and out of bed easier. The 3" GelFlex grid draws heat away for optimal the sleeping temperature and maintains support of pressure points, even while you move, for personalized full-body support. Maintaining freshness, the SoftFlex cover is anti-microbial treated and stretches with the grid wicking away moisture to keep you cool and dry.