Halyard Basics AAMI Level 2 isolation gowns are made from a three-layer SMS fabric, pioneered by Halyard Health, to give clinicians the confidence and comfort they need to deliver the best possible patient care. Manufactured from high quality fabrics, these cover gowns provide users strength, protection and comfort in one vital garment. - Use protective procedure gown to avoid low to moderate exposure to fluids or chemicals.. Made of three-layer SMS fabric, gown meets AAMI Level 2 requirements.. Traditional donning with tape tab and elastic cuffs. Yellow.