Stay-On Heel Protector Review May 19, 2018 No Comments Made from two-layers of plush synthetic sheepskin. Slide-lock buckle makes it difficult to kick off. Remains soft and resilient even after many launderings. More Made from two layers of plush synthetic sheepskin for superior pressure relief. Tags: Health & Household, Health Care, Heel Cushions & Cups, Inserts & Insoles, Skil Care