Seibertron Men's Tactical M65 BDU Pants Waterproof/Water Repellent Military Army Infantry Utility Pants (40" waist, Green) SHELL50%NYLON 50%COTTON, LINING:65%POLYESTER 35%COTTON Imported zipper closure Choose the size by the left size chart image.50% Nylon/50% Cotton NYCO Sateen fabric.Large Zipper closure;All the pockets come with nylon Velcro closures;Waistband two side Is elastic, waist size can be adjusted in 2-3". waistline(inch):30-31",32-33",34-35",36-37",38-39",40" length(inch):30-31"waist(40 1/2),32-33"waist(41 1/2),34-35"waist(41 1/2),36-37"waist(42),38-39"waist(42 1/2),40"waist(43) Body Hip Circumference(inch):30-31"waist(35-37"),32-33"waist(37-38 1/2"),34-35"waist(38 1/2-40"),36-37"waist(40-41 1/2"),38-39"waist(41 1/2-42"),40"waist(42-43 1/2")