Sizing Chart:Extra Small: 24-28 Inch Waist; Small: 29-34 Inch Waist; Med: 35-39 Inch Waist; Large: 40-44 Inch Waist; * Designed to be worn under your shorts * Closed Cell EVA foam, hard shell plastics for heavy duty * Sizing chart: x-small, small, medium, large * Sizing Chart:Extra Small: 24-28 inches Waist; Small: 29-34 inches Waist; Med: 35-39 inches Waist; Large: 40-44 inches Waist;