<75% Cotton Yarns+23%Polyester+2%Spandex Fabric>
This is elastic waist,so we recommend the waist range.
This is Chinese size which is smaller than US/EU size.
China Size M = US size XS.
Mike height 178cm 74kg wear size XXL.
The size chart is for reference only.
Due to different measure,may exsit 2-4 cm error,should be acceptable.
In order to choose correct size,please contact our customer service.
Our professinal customer service offers you suitable size advice.