Halyard Health Impervious Comfort Gown, Universal Size (28″ Chest Width, 49″ Length, 24″ Sleeve), Knit Cuff End. Halyard Health Impervious Gowns offer protection from blood and body fluids and help maintain the health and confidence of personnel. These non-sterile gowns feature film laminate, poly-coated spunbond. The garments combine effective fluid resistance with wearer comfort. These gowns are ideal for patient contact, fluid isolation, decontamination or general cleanup tasks.