Featuring a unique ergonomic design to target the shoulder and hip areas the halo ergonomic 300 mattress has a memory foam top layer which is profiled to contour to your body shape and offer comfort and support in all the right placesthe non quilted cover is removable and washable with the added benefit of a freschereg bioscience high performance antimicrobial treatment which inhibits house dust mites and offers durable and lasting protection against bacterial and fungal attacksthis mattres