About the size of the clothers,
Different country has different standard.
So before you choose the size, measure it .and control the size table.
Eg. If your body weight is in 45-50kg (99.0 - 110.0 lb), your height is in 150-160 cm (59.1 - 63.0 inch), choose the size S.
Item measured by hand , it may be 2-3 cm in error.