This is Asian size,and it is smaller than US size one size.we suggest you choose one larger size for that.

• Quick-drying Fabric helps evaporate your sweat
• Suitable for cycling, running and other outdoor activities
• High quality material gives a good feeling of comfort
• Reflective LOGO shows where you are and keep you safe
• Slim Design gives a good feeling of freedom

Quick-drying Fabric helps evaporate your sweatMatterD