Sore/Loser™ Pressure Relief Overlay Recently studied at the Merwick Care Center of Princeton University Healthcare System, Sore/Loser is proven to provide a superior level of crafted comfort, support and health for the relief and prevention of pressure ulcers (bed sores) over traditional waffle overlays. Utilizing advanced quilted cluster fiber technology, this incredibly ultra-soft pressure relief overlay features a non-porous, moisture barrier that is 100% hypoallergenic, stain and liquid resistant, and washable.