Every Prevail® protective undergarment is designed with four things in mind: comfort, absorbency, skin health, and discretion. Prevail® has MaxSorb™ Gel technology which actively locks up moisture to help keep you feeling cleaner, fresher, and drier. Additional features include: Omni-Odor Guard® to help prevent odors before they begin , 360° Breathable Zones™ that allow air to circulate around the entire underwear and help prevent heat and moisture build up, Skin Smart® Fabric helps protect skin with Vitamin E, Aloe, and Chamomile, Comfort-Shape® Plus with gentle elastics that shape to your body and cloth like outer fabric for a more natural fit, Back label with size. Sizing Chart MPN Size Waist Size Absorbency Pack Quantity Case Quantity PV-512 Medium 34 to 46 Inch Waist / Hip Extra 20 80 PV-513 Large 44 to 58 Inch Waist / Hip Extra 18 72 PV-514 X-Large 58 to 68 Inch Waist / Hip Extra 14 56 PV-517 2X-Large 68 to 80 Inch Waist / Hip Maximum 12 48