Bamboo Mattress Topper Indulge in an extra layer of luxury that will transform your mattress. The Topper will bring you next-level orthopaedic support that feels blissfully comfortable. Hydro-foam™ supports your back, neck, and hips in perfect alignment. Its gel-infused technology reacts to your body temperature and keeps you cool. And the hypoallergenic and breathable bamboo cover is kind and gentle on your skin. Everything you need for a stupendous sleep. Just add you.