100% cotton!Dark grey 50% cotton
1:1cm=0.3937inch 1inch=2.54cm 2:Please allow 1-3cm differs due to manual measurement,thanks. About the Color: As the light reason,there will be some color difference
Note: If you are not sure about the size, please let us know your weight(KG), height(CM) and waist Info ect . so that we can help you to choose the correct size.