JSP Half Mask Respirator TPE Comfort 272 RPRF8830 Large Color:Gray Shirt Exterior Chest Circumference (inches) Color:Blue Non ANSI Shirt Exterior Chest Circumference (inches) Center Back Length (inches) Sleeve Length (inches) SKU SM 38 28 1 2 9 3 4 1040C1B MD 42 29 1 2 10 1040C1C LG 46 29 1 2 10 1 4 1040C1E XL 50 29 1 2 10 1 2 1040C1G 2X 54 30 1 2 10 3 4 1040C1J 3X 58 30 1 2 11 1040C1L 4X 61 31 1 2 11 1 4 1040C1N 5X 64 31 1 2 11 1 4 1040C1Q 6X 67 32 11 1 2 1040C1S + 1 1 1 N A Note: All measurements are in inches to the exterior of the garment E and G requirements This large sized mask is designed for respiratory safety and features a Typhoon valve for low breathing resistance The JSP Half Mask Respirator 272 RPRF8830 is engineered with Thermal Plastic Elastomer (TPE) for enhanced comfort during extended use