G-Star Raw Men's Arc Zip 3D Slim-Fit Jean in Hoist Black Denim 99% Cotton/1% Spandex Imported Button Fly closure Hand Wash Slim-fit jean with zippered back pockets and tonal stitching Zipper fly with button closure Washing instructions -Do not bleach , 30 mild process , Do not tumble dry, Line drying in the shade, Medium temperature iron 150, Dry cleaning hydrocarbons, normal process